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What to consider when designing a high speed and high resolution opamp?

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lhlbluesky

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as we know, opamp is important analog module.
for an opamp of high speed and high resolution, what aspects should be considered when in design? and how to trade off for high speed and high resolution? pls help me.
 

Re: about opamp design

For opamp with high accuracy, it should have high gain.
For opamp with high speed, it should have large bandwidth.

But for an opamp with given architecture and current, the Gain - Bandwidth product is constant. Thats the trade-off.

cinch
 

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