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WM8904 数据表 (PDF) - Wolfson Microelectronics plc

WM8904 Datasheet PDF - Wolfson Microelectronics plc
部件名 WM8904
下载  WM8904 下载

文件大小   1824.52 Kbytes
  188 Pages
制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc
功能描述 Ultra Low Power CODEC for Portable Audio Applications

WM8904 Datasheet (PDF)

Go To PDF Page 下载 数据表
WM8904 Datasheet PDF - Wolfson Microelectronics plc

部件名 WM8904
下载  WM8904 Click to download

文件大小   1824.52 Kbytes
  188 Pages
制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc
功能描述 Ultra Low Power CODEC for Portable Audio Applications

WM8904 数据表 (HTML) - Wolfson Microelectronics plc

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WM8904 产品详情

DESCRIPTION

The WM8904 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 headphone and line outputs eliminate AC coupling capacitors, and both outputs include common mode feedback paths to reject ground noise.



FEATURES

3.0mW quiescent power consumption for DAC to headphone playback

DAC SNR 96dB typical, THD -86dB typical

ADC SNR 91dB typical, THD -80dB typical

2.4mW quiescent power consumption for analogue bypass playback

Control write 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

32-pin QFN package (4 x 4mm, 0.4mm pitch)

36-ball WLCSP package (2.6 x 2.5mm, 6 x 6 ball grid, 0.4mm pitch)




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