raja.cedt
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hello, you are confused with two. Vicm gives common mode when you signals applied. It is nothing to do with opamp architecture.
Vicmr_max means how max common mode you can apply to opamp and vicmr_min means how min common mode you can.
Always applied input common mode must fall in the range of vicmr_max-vicmr_min.
There is slight modification between the terms in your post and my reply, but you better follow this. Please have a look on Razavi book.
Thanks, Raj.
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