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DAC0800: COMPENSATION capacitors

Aoki Shuichi
Prodigy 10 points
Part Number: DAC0800

I need to change the capacitance of the capacitor between COMPENSATION and V-.

Production of 75pF capacitors will be discontinued and 68pF will be selected.

It needs to be evaluated when it is changed.

What kind of characteristics does changing the capacitance of this capacitor affect?

  • 0
    TI__Mastermind 18766 points

    Hi

    Ccomp is used as compensation capacitor for the reference amplifier for AC reference applications. The value of this capacitor depends on the impedance presented to Pin 14. Set the ratio of Ccomp (pF) to R14 (KΩ) = 15 for better stability of the reference amplifier.

    After changing the value, please verify the output response.

    Regards,

    AK