How does the opamp bandwith affect the bandgap volt. source?

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bandgap opamp

Many bandgap voltage sources have a opamp.

Is the opamp bandwith important? why?
Is necesary a high bandwith?
How does the opamp bandwith affect the bandgap voltage reference source?

thanks
 

Re: bandgap opamp

I think that its BW is not important coz it is needed for stabilization and also there r no frequencies in the bandgap circuit u care about

U can send this topic in the Analog Design forum to get more replies
 

Re: bandgap opamp

Razavi' book "Analog CMOS integrated circuit Design " talks about this issue.
 

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