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AK4953A - 24bit Stereo CODEC

Description

The AK4953A is a low power consumption 24bit stereo CODEC with a microphone, headphone and speaker amplifiers.

The input circuits include a microphone amplifier and an ALC (Automatic Level Control) circuit, and the output circuits include a cap-less headphone amplifier and a speaker amplifier.

Features

  • 1. Recording Function.
  • Stereo Single-ended input with three Selectors.
  • MIC Amplifier (+29dB/+26dB/+23dB/+20dB/+16dB/+12dB/0dB).
  • Digital ALC (Automatic Level Control) (Setting Ran.

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Datasheet Details

Part number AK4953A
Manufacturer AKM
File Size 1.48 MB
Description 24bit Stereo CODEC
Datasheet download datasheet AK4953A Datasheet

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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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[AK4953A] AK4953A 24bit Stereo CODEC with MIC/HP/SPK-AMP GENERAL DESCRIPTION The AK4953A is a low power consumption 24bit stereo CODEC with a microphone, headphone and speaker amplifiers. The input circuits include a microphone amplifier and an ALC (Automatic Level Control) circuit, and the output circuits include 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 speaker amplifier has a wide operating voltage range, which is from 0.9V to 5.5V, enabling a direct drive to batteries. The AK4953A is available in a small 36-pin QFN (5x5mm 0.