Portable Audio
All for Absolute Sound
The VELVET SOUND taken over genealogy of the Premium Audio Technology is realized in various scenes.
The advanced audio devices enable natural sound recording technology used in today's recording studios enabling a PCM recorder, and state-of-the-art Hi-Fi sound playback technology used in professional level audio equipment.
AKM's advanced audio devices optimized for portable equipment such as smartphone lead new era of the high-resolution digital audio.
FEATURED PRODUCTS
AK4332ECB
Low-power HiFi D/A converter for true wireless earphones
The AK4332 is an advanced 32-bit high sound quality mono audio DAC with a built-in ground-referenced headphone amplifier. It has four types of 32-bit digital filters for better sound quality, achieving low distortion characteristics and wide dynamic range. The AK4332 accepts PCM Data, PDM Data and DSD Data. It is available in a 30-pin CSP package, utilizing less board space than competitive offerings. It is ideal for true wireless earphones, (TWS: True Wireless Stereo).
High Performance of -101dB THD+N with only 2.8mW Power Consumption
Capable of Achieving Even Lower Power Consumption with support of a 1-bit PDM signal
Key Features
- Maximum Sampling Frequency/Resolution : 192kHz/32-bit
- S/N (SNR) : 109dB
- Distortion (THD+N) : -101dB
- Sound Color Digital Filter : 4 types
- Power consumptoin : 2.8mW (fs=48kHz)
PRODUCT CATEGORY
HiFi Headphone DAC
LINEUP
HiFi Headphone DACs
| Part Number | Document | Ch# | Resolution | S/N | THD +N * |
max Fs * |
DSD * Input |
Sound Color * |
Power Consumption |
Analog Output |
HDP Amp |
Operation Temp. |
Others |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bit | dB | dB | kHz | MHz | mW | ℃ | |||||||
| AK4331ECB | Datasheet | 2 | 32 | 109 | -100 | 192 | No | 4 types | 4.4 | Single | Yes | -40 to 85 | SRC |
| AK4332ECB | Datasheet | 1 | 32 | 109 | -101 | 192 | Yes | 4 types | 2.8 | Single | Yes | -40 to 85 | |
| AK4377AECB | Datasheet | 2 | 32 | 125 | -107 | 384 | No | 4 types | 37.1/13.75 | Single | Yes | -40 to 85 | |
| AK4377ECB | 2 | 32 | 128 | -109 | 768 | 11.2 | 4 types | 59.7/20.7 | Single | Yes | -40 to 85 |
[Notes]
* THD+N: Total Harmonic Distortion plus Noise
* max Fs: Maximum Sampling Frequency
* DSD: Direct Stream Digital
* Sound Color: AKM original digital filter
* Schedules of Samples and Production are subject to be changed without notice.
* The information in the datasheet is subject to be changed without notice.
D/A Converters (DAC)
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D/A Converters for Premum Portable Audio
[Notes]
* S/N (Mono mode)
* THD+N: Total Harmonic Distortion plus Noise
* max Fs: Maximum Sampling Frequency
* DSD: Direct Stream Digital
* Sound Color: AKM original digital filter
* Schedules of Samples and Production are subject to be changed without notice.
* The information in the datasheet is subject to be changed without notice.
DSP CODEC
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Advanced Audio DSP CODEC
| Part Number | Document | Ch# AD/DA |
Resolution | S/N AD/DA |
THD+N * DAC |
max Fs * |
Sound Color * |
Power Consumption |
Ch# DSP In/Out |
Ch# SRC |
Clock Speed(max) |
Data RAM |
Operation Temp. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ch | bit | dB | dB | kHz | mW | MHz | word | ℃ | |||||
| AK4962ECB | Product Brief | 4/4 | 32 | 102/125 | -106 | 384 | 4 types | 10/10 | 8 | 122.88 | 22528 | -40 to 85 |
[Notes]
* THD+N: Total Harmonic Distortion plus Noise
* max Fs: Maximum Sampling Frequency
* Sound Color: AKM original digital filter
* Schedules of Samples and Production are subject to be changed without notice.* The information in the datasheet is subject to be changed without notice.
CODEC
LINEUP
CODEC
| Part Number | Document | Ch# AD/DA |
Resolution | S/N AD/DA |
THD+N * AD/DA |
max Fs * |
Sound Color * |
Power Consumption |
Operation Temp |
Others |
|---|---|---|---|---|---|---|---|---|---|---|
| Ch | bit | dB | dB | kHz | mW | ℃ | ||||
| AK4336ECB | 4/1 | 24/32 | 95/117 | -80/-102 | 192 | 4 types | -40 to 85 | for ANC |
[Notes]
* THD+N: Total Harmonic Distortion plus Noise
* max Fs: Maximum Sampling Frequency
* DSD: Direct Stream Digital
* Sound Color: AKM original digital filter
* Schedules of Samples and Production are subject to be changed without notice.* The information in the datasheet is subject to be changed without notice.