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  • WM8960数据手册,详细的电气及编程说明

    更新时间:2019-09-11 18:02:38 大小:1M 上传用户:moyiduo查看TA发布的资源 浏览次数:131 下载积分:2分 下载次数:0 次 标签:wm8960 出售积分赚钱 评价赚积分 ( 如何评价?) 收藏 评论(0) 举报

    资料介绍

    WM8960 数据手册,详细的电气及编程说明

    部分文件列表

    文件名
    大小
    WM8960__Natertech.pdf
    1M

    部分页面预览

    (完整内容请下载后查看)
    WM8960  
    w
    Stereo CODEC with 1W Stereo Class D Speaker Drivers and  
    Headphone Drivers for Portable Audio Applications  
    DESCRIPTION  
    FEATURES  
    DAC SNR 98dB (‘A’ weighted), THD -84dB at 48kHz, 3.3V  
    ADC SNR 94dB (‘A’ weighted), THD -82dB at 48kHz, 3.3V  
    Pop and click suppression  
    3D Enhancement  
    Stereo Class D Speaker Driver  
    The WM8960 is a low power, high quality stereo codec  
    designed for portable digital audio applications.  
    Stereo class D speaker drivers provide 1W per channel into 8Ω  
    loads with a 5V supply. Low leakage, excellent PSRR and  
    pop/click suppression mechanisms also allow direct battery  
    connection to the speaker supply. Flexible speaker boost  
    settings allow speaker output power to be maximised while  
    minimising other analogue supply currents.  
    <0.1% THD with 1W per channel into 8Ω BTL speakers  
    70dB PSRR @217Hz  
    87% efficiency (1W output)  
    Flexible internal switching clock  
    On-chip Headphone Driver  
    A highly flexible input configuration for up to three stereo  
    sources is integrated, with a complete microphone interface.  
    External component requirements are drastically reduced as no  
    separate microphone, speaker or headphone amplifiers are  
    required. Advanced on-chip digital signal processing performs  
    automatic level control for the microphone or line input.  
    40mW output power into 16Ω at 3.3V  
    Capless mode support  
    THD -75dB at 20mW, SNR 90dB with 16Ω load  
    Microphone Interface  
    Pseudo differential for high noise immunity  
    Integrated low noise MICBIAS  
    Programmable ALC / Limiter & Noise Gate  
    Stereo 24-bit sigma-delta ADCs and DACs are used with low  
    power over-sampling digital interpolation and decimation filters  
    and a flexible digital audio interface.  
    Low Power Consumption  
    Low Supply Voltages  
    Analogue 2.7V to 3.6V (Speaker supply up to 5.5V)  
    Digital core and I/O: 1.71V to 3.6V  
    The master clock can be input directly or generated internally by  
    an onboard PLL, supporting most commonly-used clocking  
    schemes.  
    On-chip PLL provides flexible clocking scheme  
    Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48  
    5x5x0.9mm QFN package  
    The WM8960 operates at analogue supply voltages down to  
    2.7V, although the digital supplies can operate at voltages down  
    to 1.71V to save power. The speaker supply can operate at up  
    to 5.5V, providing 1W per channel into 8Ω loads. Unused  
    functions can be disabled using software control to save power.  
    APPLICATIONS  
    Games consoles  
    Portable media / DVD players  
    Mobile multimedia  
    The WM8960 is supplied in a very small and thin 5x5mm QFN  
    package, ideal for use in hand-held and portable systems.  
    DGND  
    DCVDD  
    DBVDD  
    SPKVDD1  
    SPKVDD2  
    W
    WM8960  
    0
    to -21dB,  
    Jack Detect  
    3dB steps  
    LINPUT3/  
    JD2  
    CLASS D  
    SPK_LP  
    0
    to -21dB,  
    3dB steps  
    SPK_LN  
    LINPUT2  
    -73 to 6dB  
    1dB steps,  
    mute  
    -12 -> 6dB,  
    3dB steps,  
    mute  
    LEFT  
    MIXER  
    +BOOST  
    -12 -> 6dB,  
    3dB steps,  
    mute  
    -17.25 to +30dB,  
    0.75dB steps  
    +
    -
    HP_L  
    DAC  
    DIGITAL  
    FILTERS  
    ADC  
    DAC  
    DAC  
    +
    +
    vmid  
    vmid  
    ADC  
    DIGITAL  
    FILTERS  
    -73 to 6dB  
    1dB steps,  
    mute  
    0, 13, 20,  
    29dB,  
    mute  
    LINPUT1  
    RINPUT1  
    DE-  
    EMPHASIS  
    INPUT  
    PGAs  
    MONO  
    MIXER  
    ALC  
    OUT3  
    HP_R  
    0, 13, 20,  
    29dB,  
    mute  
    0dB / -6dB  
    VOLUME  
    3D ENHANCE  
    VOLUME  
    -
    ADC  
    +
    -12 -> 6dB,  
    3dB steps,  
    mute  
    -17.25 to +30dB,  
    0.75dB steps  
    RIGHT  
    MIXER  
    -73 to 6dB  
    1dB steps,  
    mute  
    -12 -> 6dB,  
    3dB steps,  
    mute  
    RINPUT2  
    CLASS D  
    0
    to -21dB,  
    SPK_RN  
    SPK_RP  
    3dB steps  
    0
    to -21dB,  
    3dB steps  
    RINPUT3/  
    JD3  
    -73 to 6dB  
    1dB steps,  
    mute  
    Jack Detect  
    +BOOST  
    GPIO1  
    SPKGND1  
    SPKGND2  
    ADCREF,  
    DACREF  
    MICBIAS  
    DIGITAL AUDIO  
    INTERFACE  
    CONTROL  
    INTERFACE  
    PLL  
    50K  
    50K  
    A-law and u-law support  
    Production Data, February 2009, Rev 4.0  
    WOLFSON MICROELECTRONICS plc  
    To receive regular email updates, sign up at
    Copyright ©2009 Wolfson Microelectronics plc  
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