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About AKM
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 |
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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 |
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 |
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
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.
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.