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。

专题

旭化成微电子(AKM)将拥有世界顶级的噪声特性和THD特性的AK4499重新设计,开发出一款数字和模拟完全隔离的解决方案:全新旗舰立体声数模转换器(DAC)--VELVET SOUND | VERITATM AK4499EX。

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 升级版高品质声音技术
开发者访谈

VELVET SOUND品牌新产品AK4493S、AK4490R的开发者访谈,揭秘升级版VELVET SOUND技术的研发历程。

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
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
NEW
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
NEW
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

                                
HTQFP
64

[Notes] * Monaural Mode

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