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PAM8908

    The PAM8908 is a 25mW stereo headphone driver is designed for portable equipment where board space is at a premium. The PAM8908 uses a unique, patent pending architecture to produce a ground-referenced output from a single supply,eliminating the need for large DC-blocking capacitors, saving cost, board space, and component height.
    The PAM8908 delivers up to 25mW per channel into a 16 load and has low 0.03% THD+N. A high power-supply rejection ratio allows this device to operate from noisy digital supplies without an additional linear regulator.
    The PAM8908 operates from a single supply from 2.5V t o 5.5V, has sho rt-ci rcui t a nd over temperature protection. Shutdown mode reduces supply current to less than 1uA.
    PAM8908概述：
        The PAM8908 is a 25mW stereo headphone driver is designed for portable equipment where board space is at a premium. The PAM8908 uses a unique, patent pending architecture to produce a ground-referenced output from a single supply,eliminating the need for large DC-blocking capacitors, saving cost, board space, and component height.
        The PAM8908 delivers up to 25mW per channel into a 16 load and has low 0.03% THD+N. A high
    power-supply rejection ratio allows this device to operate from noisy digital supplies without an additional linear regulator.
        The PAM8908 operates from a single supply from 2.5V t o 5.5V, has sho rt-ci rcui t a nd over temperature protection. Shutdown mode reduces supply current to less than 1uA.

    PAM8908特性：
    Patent Pending 3 Phase Power Line Shift
    Charge Pump Eliminates Need for DCBlocking Capacitors
    TrueCapFree Architecture, Output Biased at
    0V (System Ground)
    Excellent Low Frequency Fidelity
    High PSRR
    Less Than 1uA Shutdown Current
    Support Both Fully Differential and SingleEnded Inputs
    Short Circuit and Over Temperature
    Protection
    Selectable Gain Settings:-6dB,0dB,3dB and
    6dB
    Available in Space Saving Packages:
    TQFN3x3-16L

    PAM8908應(yīng)用：
    Smart Phones/Cellular Phones
    Notebook Computers
    Portable DVD Player
    Personal Digital Assistants (PDAs )
    Electronic Dictionaries
    Digital Still Cameras
    Potable Gaming

    PAM8908差分輸入應(yīng)用電路圖：


    PAM8908單端輸入應(yīng)用電路圖：


    PAM8908管腳分布：


    PAM8908管腳定義：


    PAM8908功能框圖：


    PAM8908封裝圖：

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