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AK4490 Datasheet Premium 32-Bit 2ch DAC

Manufacturer: AKM (Asahi Kasei Microdevices)

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General Description

AK4490 is a new generation Premium 32-bit 2ch DAC with new technologies, achieving industry’s leading level low distortion characteristics and wide dynamic range.

The AK4490 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 AK4490 has five types of 32-bit digital filters, realizing simple and flexible sound tuning in wide range of applications.

Overview

[AK4490] AK4490 Premium 32-Bit 2ch DAC 1.

General.

Key Features

  • 256x Over sampling.
  • Sampling Rate: 30kHz  768kHz.
  • 32-bit 8x Digital Filter - Ripple: 0.005dB, Attenuation: 100dB - 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.
  • High Tolerance to Clock Jitter.
  • Low Distortion Differential Output.
  • 2.8MHz, 5.6MHz and 11.2MHz DSD Input Support - Filter (fc=50kHz, fc=150kHz, 2.8MHz mode).
  • Digital De-emphasis for 32, 44.1, 48kHz sampling.

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