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INA225: RINT value of INA225 and Slew rate

Part Number: INA225

Hi,

* I would like to know the Internal RINT resistor values which plays a vital role in selecting the Gains and also I notice that slew rate of INA225 is around 0.4V/us which seems to be less  for my application(In general).

* Is there any way that I can simulate my circuit with INA225 before i go into the Manufacturing.

*  I have few questions in my application using CT.

Voltage across the sense resistor will be +/- 0.4V (since CT outputs 50mA for Max Ip of 100A and Rs is 5.76Ohm).

I would like to know what happens when the input is to the amplifier is negative in case of unidirectional and Bidirectional?

Thanks.