AK4954A Datasheet 32bit Stereo CODEC

Manufacturer: AKM (Asahi Kasei Microdevices)

AK4954A 32bit stereo codec by AKM (Asahi Kasei Microdevices) - Datasheet Preview

Datasheet Details

Part number	AK4954A
Manufacturer	AKM (Asahi Kasei Microdevices)
File Size	478.12 KB
Description	32bit Stereo CODEC
Download	AK4954A Download (PDF)

General Description

The AK4954A is a low power consumption 32-bit stereo CODEC with a microphone, a headphone and a speaker amplifiers.

The input circuits include a microphone amplif ier 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.

Overview

[AK4954A] AK4954A 32-bit Stereo CODEC with MIC/HP/SPK-AMP GENERAL.

Key Features

1. Recording Function.
Two Low Noise Microphone Power Supplies.
Stereo Single-ended input with three Selectors.
Low Noise Microphone Amplifier (+26dB/+20dB/+13dB/+6dB/0dB).
Digital ALC (Automatic Level Control) (Setting Range: +36dB ∼.
52.5dB, 0.375dB Step).
ADC Performance: S/(N+D): 88dB, DR, S/N: 97dB (Microphone Amplifier =+20dB) S/(N+D): 88dB, DR, S/N: 100dB (Microphone Amplifier =0dB).
Two Types of Decimation Filters.
Ov.

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