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AK4637 - 24bit Mono CODEC

Datasheet Summary

Description

The AK4637 is a low power 24-bit Mono CODEC with a microphone and speaker amplifiers.

The AK4637 supports sampling frequency from 8kHz to 48kHz.

Features

  • 1. Recording Functions.
  • Analog Input 1 Monaural Single-ended input or Differential input.
  • Microphone Amplifier: +30dB ~ 0dB, 3dB Step.
  • Microphone Power Supply: 2.0V or 2.4V, Noise Level= 108dBV.
  • Digital ALC (Automatic Level Control) - Setting Range: +36dB  52.5dB, 0.375dB Step & Mute.
  • ADC Performance: S/(N+D): 83dB, DR, S/N: 88dB (MIC-Amp=+18dB) S/(N+D): 84dB, DR, S/N: 95dB (MIC-Amp=0dB).
  • Wind Noise Reduction Filter.
  • 5-Band Notch Filter: Include Dynamic Gain.

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Datasheet preview – AK4637

Datasheet Details

Part number AK4637
Manufacturer AKM
File Size 1.29 MB
Description 24bit Mono CODEC
Datasheet download datasheet AK4637 Datasheet
Additional preview pages of the AK4637 datasheet.

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Full PDF Text Transcription

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[AK4637] AK4637 24bit Mono CODEC with MIC/SPK-AMP 1. General Description The AK4637 is a low power 24-bit Mono CODEC with a microphone and speaker amplifiers. The AK4637 supports sampling frequency from 8kHz to 48kHz. It is suitable for a wide range of application from speech signal processing for narrowband, wideband and super wideband to sound signal processing for audio band. The input circuits include a microphone amplifier and a high performance digital ALC (automatic level control) circuit. In addition, the output circuits include a speaker amplifier with 1W output power. It is suitable for various products as well as portable applications with recording/playback function. The AK4637 are available in a small 20-pin QFN (3mm x 3mm, 0.
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