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GRM155R60J225ME15_EIA 数据手册 ( 数据表 ) - Wolfson Microelectronics plc

C0402C225M9PAC image

零件编号
GRM155R60J225ME15_EIA

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page
178 Pages

File Size
1.4 MB

生产厂家
Wolfson
Wolfson Microelectronics plc Wolfson

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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零件编号
产品描述 (功能)
PDF
生产厂家
Ultra Low Power CODEC for Portable Audio Applications
Wolfson Microelectronics plc
Low Power Audio CODEC for Portable Applications
Wolfson Microelectronics plc
Low Power Audio CODEC for Portable Applications ( Rev : 2006 )
Wolfson Microelectronics plc
Stereo CODEC for Portable Audio Applications
Wolfson Microelectronics plc
Mono CODEC for Portable Audio Applications
Wolfson Microelectronics plc
Stereo CODEC for Portable Audio Applications
Wolfson Microelectronics plc
Stereo CODEC for Portable Audio Applications
Wolfson Microelectronics plc
Stereo CODEC for Portable Audio Applications
Wolfson Microelectronics plc
Stereo CODEC for Portable Audio Applications ( Rev : 2005 )
Wolfson Microelectronics plc
Stereo CODEC for Portable Audio Applications
Wolfson Microelectronics plc

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