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TPA6112A2: Rf and Ri resistors

Part Number: TPA6112A2


I am designing a product using this part. Looking at the datasheet, it specifies a different resistance value between pins 1 and 2 (VO1 and IN1-) and pins 8-9 (IN2- and VO2). Why are those different?

Thank you

  • Hi Francis,

    Welcome to e2e.
    Are you referring to the Typical Application Circuit figure on the front page? This is a typo.
    Both feedback resistors should be the same value and named Rf. Ri is only for the input resistors.

    Best regards,
    -Ivan Salazar
    Applications Engineer - Low Power Audio & Actuators