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TLV320DAC3101: Multiple channel audio output using TLV320DAV3101

Rathin Chandra
Prodigy 10 points
Part Number: TLV320DAC3101

Hi,

I need to play a 6-channel audio file using a microcontroller and DAC. For that, Can I connect the MCLK, BCLK, WCLK, DOUT, and DIN of the three TLV320DAC3101 parallel to the MCU in TDM mode?

or is there any special connection required?

  • +1
    TI__Guru** 109825 points

    Hi Rathin,

    Your described system should be possible. Just have to configure each of the DACs to a different pair of TDM slots.
    I would start with a single DAC connected to the microcontroller sending all 6 data slots. Then configure the DAC to select each of the pairs using the required offset bits on register 0x1C.

    Please notice that in the device documentation, TDM format is also called DSP.

    Best regards,
    -Ivan Salazar
    Applications Engineer