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TAS6424-Q1: Unused Output Channel Connection

Jacques S
Intellectual 1855 points
Part Number: TAS6424-Q1


Hello,

The TAS6424-Q1 is being used in a current design, and there is desire to reuse but will only need three speaker outputs. Do we have a recommended connection/termination for the unused output channel?

Thank you!

Best,

Jacques St. Louis

  • 0
    TI__Guru 51380 points

    Hi Jacquest

        If you can always set the unused channel to Hi-Z state, never set it into PLAY, then the unused terminal can be left float. If you can't guarantee that, you can consider keep the BST cap, and use larger resistor like 1Kohm, connect the output to GND.