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Resistor Vs Capacitive load of OPA847

witat rangtain
Prodigy 60 points


Hi everyone,

        

      I design high speed amplifier using capacitive load but I have some question if I use value of resistor more than recommended, Is it stable ?

Best regards

Witat 

  • 0
    TI__Mastermind 22825 points

    Hello,

    If you use an isolation resistor (Rs) larger than the recommended value, your circuit will be stable. Keep in mind that a higher Rs may lower the roll-off frequency in the "Normalized Gain to Capacitive Load" plot, but there are no stability concerns.

    Regards,

    Hooman