115dB 768kHz/32-bit 8ch Premium DAC

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The AK4458VN is a new generation of premium 32-bit DAC, with 8-channels of AKM’s VELVET SOUND architecture that has been widely adopted by well-established high-end audio companies. This technology realizes fine sound details with its low-distortion architecture in addition to 32-bit resolution digital filter processing. The digital input supports up to 768 kHz PCM and 11.2 MHz DSD (Direct Stream Digital), suitable for high-resolution audio source playback. This premium multi-channel DAC series provides a simple and best solution to wide range of applications with a TDM interface and up to 8-channel variations.



Premium DAC AK4458VN

● Dynamic sound play back with large amount of playback information:
- AKMs VELVET SOUND architecture is utilized.
- Low-distortion technology achieves industry’s best performance of -107dB as a DAC with 115dB S/N characteristic.
- OSRD (Over Sampling Ratio Doubler) technology greatly reduces out of band noise.
- IRD (Impulse Response Designed) filters are integrated with 32-bit processing to reproduces detailed natural sound.
- Five different digital filters types are selectable according to the user audio and system preferences.

● Supporting High Resolution Data
- The digital input supports up to 768 kHz PCM and 11.2 MHz DSD (Direct Stream Digital), recreating high-resolution sound that is as close as possible to the original acoustic source.
- It is suitable for high-resolution sound source playback that is becoming popular with Network Audio, USB DACs and Car Audio Systems.

● System Extensibility
2ch/4ch/6ch/8ch lineups provide best sound solution for the system. The digital input supports TDM (Time Division), realizing daisy chain connection. A multichannel playback system such as AV surround receivers and audio interfaces can be easily designed with these premium DACs.

● Application
AV Receivers, CD/SACD Players, Network Audio, USB DACs, USB Headphones, Sound Plate/Bars, Audio Interfaces, Car Audio, External Amplifiers for Car Audio, Measurement Equipment and Control Systems

Key Features

Products AK4452VN
Premium D/A Converter
Premium D/A Converter
Premium D/A Converter
Premium D/A Converter
● Number of channel2ch4ch6ch8ch
● DR, S/N115dB
● THD+N-107dB
● Sampling Rate8kHz ~ 768kHz
● DSD Input2.8MHz, 5.6MHz, 11.2MHz
● Sound Color FilterFive Types
32-bit 8-fold Digital Filters
 - Short Delay Sharp Roll-off, GD=6.25/fs
 - Short Delay Slow Roll-off, GD=5.3/fs
 - Sharp Roll-off
 - Slow Roll-off
 - Super Slow Roll-off
● Resolution32-bit
● Output MethodLow Distortion Differential Output
・Low-distortion technology
・OSRD technology

Daisy Chain
● Power Consumption50mW97mW140mW181mW
● Power SupplyAnalog: 3.0~5.5V ; Digital: 1.7~3.6V
● Operation
-40 to 105°C
● Package32-pin QFN (5mm x 5mm)48-pin QFN (7mm x 7mm)
● SamplesDistributors/ Representatives

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