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Audio D/A Converters

Audio Components

AKM’s audio D/A converters (DACs) provide solutions for high quality audio system with the original digital-analog mixing technology.
They are used in variety of applications such as AV receivers, set-top boxes, speaker systems, digital TVs and car-entertainment systems, contributing to the sound quality and power consumption improvements and reducing external parts.

Featured Topics

Asahi Kasei Microdevices Corporation (AKM) has developed a new flagship stereo D/A converter (DAC), the VELVET SOUNDTM | VERITATM AK4499EX, which is newly designed as a complete separation of digital and analog circuitry solution in conjunction with the AK4191 and is based upon the world-class predecessor AK4499 Current Output DAC.

Daishin Kashimoto, 1st Concertmaster of the Berlin Philharmoniker, as brand ambassador for VELVET SOUND Daishin Kashimoto, 1st Concertmaster of the Berlin Philharmoniker, as brand ambassador for VELVET SOUND

AK4493S / AK4490R Advanced VELVET SOUND Technology
Developer's Interview

AKM has released the AK4493S and AK4490R DACs, as new products under the VELVET SOUND brand. We interviewed the developers about the latest evolution of VELVET SOUND technology.

What makes AKM different ?

There are many audio ICs other than Asahi Kasei Microdevices (AKM) around the world. So which IC should be selected?
One of the important factors is the sense of security that cannot be offered only from the specifications in the data sheet when customers are examining a product. 
Here, we will introduce the reasons why AKM audio ICs are so popular.

MORE

Professional Audio

  • PA Equipment
  • Audio Interfaces
  • Measurement Instruments
  • Control Systems
  • Voice Conference Equipment

Home Audio

  • High-end Audio
  • AV Receivers
  • CD/SACD Players
  • Network Audio
  • USB DAC’s
  • USB Headphones
  • Sound Plates
  • Sound Bars
  • HD Audio

Portable Audio

  • Bluetooth Headphones
  • True Wireless Earphones
  • IC Recorders
  • Smartphones

Automotive Audio

  • Car Audio
  • External Amplifiers for Car Audio

Lineup

Part Number
 
Part
Status
 
Number 
of 
Channels
 
Analog 
Output 
Type
 
Bits
[bit]
 
THD+N
[dB]
 
S/N
[dB]
 
Power Supply 
Voltage (MIN.)
[V]
 
Power Supply 
Voltage (TYP.)
[V]
 
Power Supply 
Voltage (MAX.)
[V]
 
2Vrms 
Line 
Driver
 
Headphone 
Amplifier
 
Other
 
Operating
Temperature
[℃]
 
Device
Package
 
Number
of Pins
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼
▲
▼ 
AK4191EQ
 
NEW
 
2
 
-
 
64
 
-153
 
156
 

                                		
                            
                        
                            
                            
                                
                                    
3.3 / 1.8 / 1.2

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND, Digital Data Converter

                                		
                            
                        
                            
                            
                                
                                    
-40 to 85

                                		
                            
                        
                            
                            
                                
                                    
HTQFP

                                		
                            
                        
                            
                            
                                
                                    
64

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4331ECB

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
2

                                		
                            
                        
                            
                            
                                
                                    
Single

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-100

                                		
                            
                        
                            
                            
                                
                                    
109

                                		
                            
                        
                            
                            
                                
                                    
1.7

                                		
                            
                        
                            
                            
                                
                                    
1.8

                                		
                            
                        
                            
                            
                                
                                    
1.9

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
Yes

                                		
                            
                        
                            
                            
                                
                                    
SRC , VELVETSOUND

                                		
                            
                        
                            
                            
                                
                                    
-40 to 85

                                		
                            
                        
                            
                            
                                
                                    
WLCSP

                                		
                            
                        
                            
                            
                                
                                    
36

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4332ECB

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
1

                                		
                            
                        
                            
                            
                                
                                    
Single

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-101

                                		
                            
                        
                            
                            
                                
                                    
109

                                		
                            
                        
                            
                            
                                
                                    
1.7

                                		
                            
                        
                            
                            
                                
                                    
1.8

                                		
                            
                        
                            
                            
                                
                                    
1.9

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
Yes

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND

                                		
                            
                        
                            
                            
                                
                                    
-40 to 85

                                		
                            
                        
                            
                            
                                
                                    
WLCSP

                                		
                            
                        
                            
                            
                                
                                    
30

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4377AECB

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
2

                                		
                            
                        
                            
                            
                                
                                    
Single

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-107

                                		
                            
                        
                            
                            
                                
                                    
125

                                		
                            
                        
                            
                            
                                
                                    
1.7

                                		
                            
                        
                            
                            
                                
                                    
1.8

                                		
                            
                        
                            
                            
                                
                                    
1.9

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
Yes

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND

                                		
                            
                        
                            
                            
                                
                                    
-40 to 85

                                		
                            
                        
                            
                            
                                
                                    
WLCSP

                                		
                            
                        
                            
                            
                                
                                    
36

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4377ECB

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
2

                                		
                            
                        
                            
                            
                                
                                    
Single

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-109

                                		
                            
                        
                            
                            
                                
                                    
128

                                		
                            
                        
                            
                            
                                
                                    
1.7

                                		
                            
                        
                            
                            
                                
                                    
1.8

                                		
                            
                        
                            
                            
                                
                                    
1.9

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
Yes

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND

                                		
                            
                        
                            
                            
                                
                                    
-40 to 85

                                		
                            
                        
                            
                            
                                
                                    
WLCSP

                                		
                            
                        
                            
                            
                                
                                    
36

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4432VT

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
2

                                		
                            
                        
                            
                            
                                
                                    
Single

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-91

                                		
                            
                        
                            
                            
                                
                                    
108

                                		
                            
                        
                            
                            
                                
                                    
3.0

                                		
                            
                        
                            
                            
                                
                                    
3.3

                                		
                            
                        
                            
                            
                                
                                    
3.6

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND, Automotive grade

                                		
                            
                        
                            
                            
                                
                                    
-40 to 105

                                		
                            
                        
                            
                            
                                
                                    
TSSOP

                                		
                            
                        
                            
                            
                                
                                    
16

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4436VN

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
6

                                		
                            
                        
                            
                            
                                
                                    
Single

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-91

                                		
                            
                        
                            
                            
                                
                                    
108

                                		
                            
                        
                            
                            
                                
                                    
3.0

                                		
                            
                        
                            
                            
                                
                                    
3.3

                                		
                            
                        
                            
                            
                                
                                    
3.6

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND, Automotive grade

                                		
                            
                        
                            
                            
                                
                                    
-40 to 105

                                		
                            
                        
                            
                            
                                
                                    
HWQFN

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4438VN

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
8

                                		
                            
                        
                            
                            
                                
                                    
Single

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-91

                                		
                            
                        
                            
                            
                                
                                    
108

                                		
                            
                        
                            
                            
                                
                                    
3.0

                                		
                            
                        
                            
                            
                                
                                    
3.3

                                		
                            
                        
                            
                            
                                
                                    
3.6

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND, Automotive grade

                                		
                            
                        
                            
                            
                                
                                    
-40 to 105

                                		
                            
                        
                            
                            
                                
                                    
HWQFN

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4452VN

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
2

                                		
                            
                        
                            
                            
                                
                                    
Differential

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-107

                                		
                            
                        
                            
                            
                                
                                    
115 / 111

                                		
                            
                        
                            
                            
                                
                                    
3.3 / 3.3

                                		
                            
                        
                            
                            
                                
                                    
5.0 / 3.3

                                		
                            
                        
                            
                            
                                
                                    
5.5 / 3.6

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND, Automotive grade

                                		
                            
                        
                            
                            
                                
                                    
-40 to 105

                                		
                            
                        
                            
                            
                                
                                    
HWQFN

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4454VN

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
4

                                		
                            
                        
                            
                            
                                
                                    
Differential

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-107

                                		
                            
                        
                            
                            
                                
                                    
115 / 111

                                		
                            
                        
                            
                            
                                
                                    
3.0 / 3.0

                                		
                            
                        
                            
                            
                                
                                    
5.0 / 3.3

                                		
                            
                        
                            
                            
                                
                                    
5.5 / 3.6

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND, Automotive grade

                                		
                            
                        
                            
                            
                                
                                    
-40 to 105

                                		
                            
                        
                            
                            
                                
                                    
HWQFN

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4456VN

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
6

                                		
                            
                        
                            
                            
                                
                                    
Differential

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-107

                                		
                            
                        
                            
                            
                                
                                    
115 / 111

                                		
                            
                        
                            
                            
                                
                                    
3.0 / 3.0

                                		
                            
                        
                            
                            
                                
                                    
5.0 / 3.3

                                		
                            
                        
                            
                            
                                
                                    
5.5 / 3.6

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND, Automotive grade

                                		
                            
                        
                            
                            
                                
                                    
-40 to 105

                                		
                            
                        
                            
                            
                                
                                    
HVQFN

                                		
                            
                        
                            
                            
                                
                                    
48

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4458VN

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
8

                                		
                            
                        
                            
                            
                                
                                    
Differential

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-107

                                		
                            
                        
                            
                            
                                
                                    
115 / 111

                                		
                            
                        
                            
                            
                                
                                    
3.0 / 3.0

                                		
                            
                        
                            
                            
                                
                                    
5.0 / 3.3

                                		
                            
                        
                            
                            
                                
                                    
5.5 / 3.6

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND, Automotive grade

                                		
                            
                        
                            
                            
                                
                                    
-40 to 105

                                		
                            
                        
                            
                            
                                
                                    
HVQFN

                                		
                            
                        
                            
                            
                                
                                    
48

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4490REQ

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
2

                                		
                            
                        
                            
                            
                                
                                    
Differential

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-112

                                		
                            
                        
                            
                            
                                
                                    
120 (123*)

                                		
                            
                        
                            
                            
                                
                                    
4.75 / 3.0 / 1.7

                                		
                            
                        
                            
                            
                                
                                    
5.0 / 3.3 / 1.8

                                		
                            
                        
                            
                            
                                
                                    
5.25 / 3.6 / 1.98

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND

                                		
                            
                        
                            
                            
                                
                                    
-40 to 85

                                		
                            
                        
                            
                            
                                
                                    
LQFP

                                		
                            
                        
                            
                            
                                
                                    
48

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4493SEQ

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
MP

                                		
                            
                        
                            
                            
                                
                                    
2

                                		
                            
                        
                            
                            
                                
                                    
Differential

                                		
                            
                        
                            
                            
                                
                                    
32

                                		
                            
                        
                            
                            
                                
                                    
-115

                                		
                            
                        
                            
                            
                                
                                    
123 (128*)

                                		
                            
                        
                            
                            
                                
                                    
4.75 / 3.0 / 1.7

                                		
                            
                        
                            
                            
                                
                                    
5.0 / 3.3 / 1.8

                                		
                            
                        
                            
                            
                                
                                    
5.25 / 3.6 / 1.98

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND

                                		
                            
                        
                            
                            
                                
                                    
-40 to 85

                                		
                            
                        
                            
                            
                                
                                    
LQFP

                                		
                            
                        
                            
                            
                                
                                    
48

                                		
                            
                        
                    

                
                    

                        
                            
                                
                                    
                                        
AK4499EXEQ

                                    
                                		
                            
                            
                        
                            
                            
                                
                                    
Preview

                                		
                            
                        
                            
                            
                                
                                    
2

                                		
                            
                        
                            
                            
                                
                                    
Differential

                                		
                            
                        
                            
                            
                                
                                    
-

                                		
                            
                        
                            
                            
                                
                                    
-124 (THD)

                                		
                            
                        
                            
                            
                                
                                    
135

                                		
                            
                        
                            
                            
                                
                                    
4.75 / 1.7 / 1.7

                                		
                            
                        
                            
                            
                                
                                    
5.0 / 1.8 / 1.8

                                		
                            
                        
                            
                            
                                
                                    
5.25 / 3.6 / 1.98

                                		
                            
                        
                            
                            
                                
                                    
-

                                		
                            
                        
                            
                            
                                
                                    
-

                                		
                            
                        
                            
                            
                                
                                    
VELVETSOUND | VERITA

                                		
                            
                        
                            
                            
                                
                                    
-40 to 85

                                		
                            
                        
                            
                            
                                
                                    
HTQFP

                                		
                            
                        
                            
                            
                                
                                    
64

                                		
                            
                        
                    

                
            
        

     







    








    
[Notes] * Monaural Mode





    




                
            

        
 
	








	

        

            

                
                



     
        
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