音频数模转换器

音频芯片

AKM的音频数模转换器(DAC)运用独创的数字和模拟混合技术,提供实现高清音频系统的解决方案。
AKM产品适用于音频/视频接收器、机顶盒、扬声器系统、数字电视和车载娱乐等多种应用程序,能够提升音质,减少外置部件,降低功耗。

为什么选择AKM?

除了旭化成微电子(AKM)之外世界上还存在有许多音频芯片。那么选择哪种芯片比较好呢?
我们认为不仅是据手册上的规格数字, 用起来放心也是选择芯片的一个重要因素。
在这里,我们就来介绍一下选择AKM音频芯片的理由。

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

产品系列

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
Preview
2
-
64
-153
153

                                
3.3 / 1.2

                                

                                

                                
VELVETSOUND, DDC
-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
Preview
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
Preview
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
Preview
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
Preview
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
Preview
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
AK4493SEQ
NEW
2
Differential
32
-113
123 (126*)
4.75 / 3.0 / 1.7
5.0 / 3.3 / 1.8
5.25 / 3.6 / 1.98

                                

                                
VELVETSOUND

                                
LQFP
48

[Notes] * Monaural Mode

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