WM8940 Datasheet Mono Codec

Manufacturer: Cirrus Logic

Overview: WM8940 Mono CODEC with Speaker Driver.

Datasheet Details

Part number	WM8940
Manufacturer	Cirrus Logic
File Size	1.08 MB
Description	Mono CODEC
Datasheet	WM8940-CirrusLogic.pdf

General Description

The WM8940 is a low power, high quality mono CODEC designed for portable applications such as digital still cameras or camcorders.

The device integrates support for a differential or single ended mic, and includes drivers for speakers or headphone, and mono line output.

External component requirements are reduced as no separate microphone or headphone amplifiers are required.

Key Features

Mono CODEC:.
Audio sample rates:8, 11.025, 16, 22.05, 24, 32, 44.1, 48kHz.
DAC SNR 98dB, THD -84dB (‘A’-weighted @ 8.
48ks/s).
ADC SNR 94dB, THD -80dB (‘A’-weighted @ 8.
48ks/s).
On-chip Headphone/Speaker Driver - 40mW output power into 16 - BTL speaker drive 0.4W into 8.
Additional MONO Line output.
Multiple analogue or ‘Aux’ inputs, plus analogue bypass path.
Mic Preamps:.
Differential or sing.

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