how to model fast high frequency op-amps

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zilog

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Joined 2005
gnuffel.googlepages.com
Hi.

I am trying to model a BJT and a JFET op-amp in order to calculate their impact on the performance on the integrator in a SODFA. It has passed a couple of years since I took my degree in electronics, and therefore I wonder how to interprete op-amp data in order to create a mathematical model accurate enough to calculate integrator performance.

Second I wonder how integrator performance is calculated with respect to BW, risetime, offset currents and offset voltages.
 
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