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关于AKM
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
AK4499EX / AK4191 概念视频
全新旗舰级数模分离 DAC 解决方案 AK4499EX / AK4191，揭秘 AKM 的声学世界观。
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。
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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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 |
-40 to 105 |
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
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。
联系我们
音频元件有关咨询
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您的问题将由专门的销售代表和产品专家进行回答。 在与我们联系之前，请先参考 "常见问题解答"（FAQ）。