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

      PAM8908差分输入应用电路图：


      PAM8908单端输入应用电路图：


      PAM8908管脚分布：


      PAM8908管脚定义：


      PAM8908功能框图：


      PAM8908封装图：

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