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INA240: INA240A3PW / INA186A1.

harry jang
Prodigy 50 points
Part Number: INA240
Other Parts Discussed in Thread: INA186

Dear whome concern

I'm now designed by INA240A3PW include firmware design.
Unfortunately, this parts can't buy in the market due semiconductor shortage and INA240A4PW only available.
Can I use INA240A4PW with current design software which is design base on INA240A3PW?
So please advice to me.

one more thing,
other model designed by INA186A1.
this aprts also can't buy in the market due to shortage and INA186A3 only available.
Can I use INA186A3 except software modification?

  • 0
    TI__Mastermind 34980 points

    Hi,

    INA240A3PW and INA240A4PW have different signal gains. Switching to a higher gain may run the risk of output clipping, if the lower gain version was designed to take full advantage of the output swing range. You would want to check to make sure. If output is OK then all you need to do is to account for the gain difference in firmware calculation.

    The same applies to INA186 as well.

    Regards, Guang