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WM8903 Datasheet (PDF) - Wolfson Microelectronics plc

WM8903 Datasheet PDF - Wolfson Microelectronics plc
Part # WM8903
Download  WM8903 Download

File Size   1387.55 Kbytes
Page   178 Pages
Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc
Description Ultra Low Power CODEC for Portable Audio Applications

WM8903 Datasheet (PDF)

Go To PDF Page Download Datasheet
WM8903 Datasheet PDF - Wolfson Microelectronics plc

Part # WM8903
Download  WM8903 Click to download

File Size   1387.55 Kbytes
Page   178 Pages
Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc
Description Ultra Low Power CODEC for Portable Audio Applications

WM8903 Datasheet (HTML) - Wolfson Microelectronics plc


WM8903 Product details

DESCRIPTION

The WM8903 is a high performance ultra-low power stereo CODEC optimised for portable audio applications. The device features stereo ground-referenced headphone amplifiers using the Wolfson ‘Class W’ amplifier techniques - incorporating an innovative dual-mode charge pump

architecture - to optimise efficiency and power consumption during playback. The ground-referenced outputs eliminate headphone coupling capacitors. Both headphone and line

outputs include common mode feedback paths to reject ground noise.



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 WM9001speaker driver

40-pin QFN package (5x5mm)




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