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AK4497 Datasheet Quality Oriented 32-Bit 2ch DAC

Manufacturer: AKM (Asahi Kasei Microdevices)

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General Description

The AK4497 is a new generation Premium 32-bit 2ch DAC with VELVET SOUNDTM technology, achieving industry’s leading level low distortion characteristics and wide dynamic range.

The AK4497 integrates a newly developed switched capacitor filter “OSR Doubler”, making it capable of supporting wide range signals and achieving low out-of-band noise while realizing low power consumption.

Moreover, the AK4497 has six types of 32-bit digital filters, realizing simple and flexible sound tuning in wide range of applications.

Overview

[AK4497] = Preliminary = AK4497 Quality Oriented 32-Bit 2ch DAC 1.

Key Features

  • THD+N: -115dB.
  • DR, S/N: 127dB (Mono Mode, 130dB).
  • 256 Times Over Sampling.
  • Sampling Rate: 8kHz  768kHz.
  • 32-bit 8x Digital Filter - Short Delay Sharp Roll-off, GD=6.0/fs, Ripple: 0.005dB, Attenuation: 100dB - Short Delay Slow Roll-off, GD=5.0/fs - Sharp Roll-off - Slow Roll-off - Low-dispersion Short Delay Filter - Super Slow Roll-off.
  • 2.8MHz, 5.6MHz, 11.2MHz, 22.4MHz DSD Input Support - Filter1 (fc=39kHz, 2.8MHz mode), Filter2 (fc=76kHz, 2.8MHz mode).
  • Digita.

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