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AK4687 Description

The AK4687 is a stereo audio CODEC with 2-channel input selector and a line driver. The interfaces of ADC/DAC can accept up to 24bit input data and support asynchronous operation. The input range of the pre-amplifier, that supports 3ch stereo inputs, is selectable by external resistors.

AK4687 Key Features

  • 64x Oversampling
  • Sampling Rate up to 48kHz
  • Linear Phase Digital Anti-Alias Filter
  • S/(N+D): 83dB
  • Dynamic Range, S/N: 99dB
  • Digital HPF for Offset Cancellation † 24bit Two Stereo DAC
  • 128x Oversampling
  • Sampling Rate up to 192kHz
  • 24bit 8 times Digital Filter
  • S/(N+D): 95dB