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instrumentation amplifier and opamp advise


I am designing an amplifier for recording a cochlear microphonic signals from bats.  The amplifier should have a flat amplitude response up to 125 kHz.  Initial stage of the amplifier would be an instrumentation amplifier, with a gain of 10-20.  Additional amplification and filtering would be done with 2-3 gain stages based on opamps (each will have a gain of 10-20).  Could you recommend an appropriate instrumentation amplifier and an opamps, that would perform reasonable at the required frequences?  Thanks,