automatically detected by computer USB Sound Card circuit based on PCM2706

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Here the USB Sound Card circuit based on PCM2706 which dedicated for USB audio. With USB controller module inside PCM2706, there is no more additional programming to the IC. The computer system will automatically detect this circuit when connected tho the USB port. You will get stereo audio channel output from this circuit.

  • 1x PCM2706 – 32-PIN TQFP
  • 1x 12 MHz Crystal
  • 1x 1M Resistor
  • 4x 3.3K Resistor
  • 2x 1.5K Resistor
  • 2x 22 Ohm Resistor
  • 2x 15 Ohm Resistor
  • 2x 100uF Capacitor
  • 2x 47uF Capacitor
  • 4x 1uF Capacitor
  • 2x 22nF Capacitor
  • 2x 27pF Capacitor


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