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INA301: output offset add

ryanhjq
Prodigy 40 points

Part Number: INA301
Other Parts Discussed in Thread: INA302

hi

IN301 is a fix gain opa without outside Resistor. how can I add an offset to the output like the normal opa by adding a ref in the positive opa input without affecting the gain? thanks a lot.

  • 0
    TI__Genius 16770 points
    You cannot do that with the INA301. It is only intended for uni-directional current measurement.

    The INA302 which has the same current sense amplifier performance but with dual comparators has a REF pin to configure it for bi-directional current measurement - i.e add offset to the output for zero differential input.