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TAS5421-Q1: What is your recommended minimum capacitor value for BYP pin capacitor?

DY Ko
Expert 4880 points
Part Number: TAS5421-Q1

Hello Audio team,

My customer asked about the BYP pin capacitor of TAS5421-Q1.
In the datasheet, 1uF was recommended as below, but my customer want to know what the minimum capacitor value can be connected to the BYP pin.
As I know, the BYP pin capacitor will affect how long the device take from asserting standby and de-asserting mute. Please recommend the minimum BYP pin capacitor value.
And my customer asked how to discharge sharply the voltage on the BYP pin capacitor. Please guide on this also.

Best regards,
DY

  • 0
    TI__Mastermind 40685 points
    DY,
    The TAS5421-Q1 was fully characterized with the 1uF capacitor on the BYP pin. The customer can change this if they wish, but the datasheet electrical characteristics may not be obtained. We do not have any data using a different value for the bypass capacitor, as this is the recommended value to guarantee the datasheet specifications.