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different types of opamp which has the gain 77db

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bharatsmile2007

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different types of opamp

Hi everyone,

can any one help me about the type of opamp which has the gain 77db.

and also list out the different architecures of opamps?.

Thanks
bharat
 

Re: different types of opamp

hi..this paper may help a bit..
 

Re: different types of opamp

You need to give more information!! Any opamp topology can give you a gain of 77 dB; your topology will never limit the amount of gain can you get from it. What you really need to be looking for is a topology that gives you that gain and at the same time meets other specs. For example, if your are supply limited you will probably have to use a folded cascode configuration, or design in subthreshold; if you are power limited then you will probably will have to reduce the number of stages; if you are bandwidth limited then you will have to use feedforward techniques or design for an open loop opamp etc... It all really depends on your limitations.

Regards,

diemilio
 

Re: different types of opamp

Thank you very much to show the data sheet. it helped me.
 

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