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AK4695 - 24bit 4ch CODEC

General Description

The AK4695 is a low power consumption 24bit stereo CODEC with microphone, headphone, speaker and line amplifiers.

Key Features

  • 1. Recording Function.
  • Two Low Noise MIC Power Supplies.
  • Stereo Single-ended input with five Selectors.
  • Low Noise MIC Amplifier: +30dB ~ +24dB (3dB Step), +21dB ~ +3dB (1.5dB Step).
  • ADC Performance: S/(N+D): 86dB, DR, S/N: 98dB (MIC-Amp=+21dB) S/(N+D): 93dB, DR, S/N: 103dB (MIC-Amp=+12dB).
  • Microphone Sensitivity Compensation: 0dB ~ 9dB, 0.75dB Step.
  • HPF x 2/LPF, 2-band Equalizer.
  • 4ch Digital ALC (Automatic Level Control) (Setting Range: +54dB ~ 36dB, 0.375dB.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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[AK4695] AK4695 24bit 4ch CODEC with MIC/HP/SPK/LINE-AMP GENERAL DESCRIPTION The AK4695 is a low power consumption 24bit stereo CODEC with microphone, headphone, speaker and line amplifiers. The input circuits include 4ch microphone amplifiers, input selectors and an ALC (Automatic Level Control) circuit, and the output circuits include a line amplifier, a cap-less headphone amplifier and a speaker amplifier. It is suitable for portable application with recording/playback function. The integrated charge pump circuit generates a negative voltage and removes the output AC coupling capacitors. The AK4695 is available in a small 42pin CSP, utilizing less board space than competitive offerings. FEATURES 1.