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

AK4499EX / AK4191 Concept Video

AKM released a concept video to show the world view of the new flagship D/A converter (DAC) solution AK4499EX and AK4191. 

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.

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
MP
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
VELVETSOUND, SRC
-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
AK4333ECB
MP
2
Single
32
-100
109
1.7/1.14
1.8/1.2
1.9/1.26
-
Yes
VELVETSOUND, Parallel Mode
-40 to 85
WLCSP
24
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
AK4497SVQ
Preview
2
Differential
32
-117
129
4.75 / 1.7 / 1.7
5.0 / 1.8 / 1.8
5.25 / 3.6 / 1.98
-
-
VELVETSOUND, Automotive grade

                                
HTQFP
64
AK4498EXVQ
Preview
2
Differential
-
-117
129
4.75 / 1.7 / 1.7
5.0 / 1.8 / 1.8
5.25 / 3.6 / 1.98
-
-
VELVETSOUND

                                
HTQFP
64
AK4499EXEQ
MP
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

Product-related FAQs

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.

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

Contact AKM

Inquiries about Audio Components

To purchase a product or sample, ask technical questions about the product, request product information,
please fill in the following form and send it to us.