WOLFSON WM8903 WM8903LGEFK Ultra Low Power CODEC

Description

Image

Features

4.5mW power consumption for DAC to headphone

playback

DAC SNR 96dB typical, THD -86dB typical

ADC SNR 92dB typical, THD -80dB typical

Control sequencer for pop minimised start-up and shutdown

Single register write for default start-up sequence

Integrated FLL provides all necessary clocks

- Self-clocking modes allow processor to sleep

- All standard sample rates from 8kHz to 96kHz

Stereo digital microphone input

3 single ended inputs per stereo channel

1 fully differential mic / line input per stereo channel

Digital Dynamic Range Controller (compressor / limiter)

Digital sidetone mixing

Ground-referenced headphone driver

Ground-referenced line outputs

Stereo differential line driver for direct interface to WM9001

speaker driver

40-pin QFN package (5x5mm)