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SRC4193: Bypass mode

Russel Hughes
Prodigy 170 points
Part Number: SRC4193

Hi,

    I am considering using one of the SRC419x devices, it will have variable bit depth and sampling rates in but  I want the output locked to 16bit 44.1KHz, is it possible to detect when the input is the same as the locked output and then switch to bypass mode?.

BR

Russel

  • 0
    TI__Expert 5645 points

    Russel,

    The rate estimator compares the input and output sampling frequencies by comparing LRCKI, LRCKO, and a reference clock.

    If the input and output sampling rate/formats are the same, the device cannot enable the bypass mode unless we can externally enable the BYPAS bit in control register or BYPAS pin. 

    Best regards,
    Ravi