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Fully differential amplifier with CMFB

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AnalogDesigner97

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Hello all,

I'm required to design a fully differential amplifier with CMFB.
the minimal requirements are:

Vdd=2 [v]
closed loop gain=2
Dynamic range at output, DR >80 [db]
settling error<0.5 mV
settling time<50 ns
load capacitance 10 pF
phase margin >60 degrees
power keeping low as possible

I would like to get some ideas for specific circuits that can satisfy those requirements.
any other tips for this design are very welcomed!

thanks in advaned!
 

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