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Causes of poor transient response of Op-Amps and how to curb it

gido

 hello, 

I designed an op-Amp with a very high gain( 70dB) and very good phase margin(90 degrees) but it has a very poor transient response. what could be the possible cause of that and how can it be solved?  

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  • What does "poor transient response" mean? It's rather subjective. It would mean that it's distorted, or suffers from slew rate limiting, or has ringing - could be many things.

    In general this is probably not the best place for design advice - although I'm sure there are plenty of designers here who could give advice. A more active forum for real design questions would be the Designer's Guide Analog Design Forum.

    Regards,

    Andrew.

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  • What does "poor transient response" mean? It's rather subjective. It would mean that it's distorted, or suffers from slew rate limiting, or has ringing - could be many things.

    In general this is probably not the best place for design advice - although I'm sure there are plenty of designers here who could give advice. A more active forum for real design questions would be the Designer's Guide Analog Design Forum.

    Regards,

    Andrew.

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