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INA200: The response time of amplifier,from input(VIN+/VIN-) to Vout(pin2)

Nick Dai
Expert 4240 points
Part Number: INA200

Hi Team,

  Do we have the spec like amplifier response time of INA200?

  The customer need get output signal <1us when over current condition appear,but there is no such spec in INA200 datasheet.

Best Regards,

Nick Dai

  • 0
    TI__Mastermind 20395 points

    Dear Nick,

    We do not characterize propagation delay for the output of the INA200. This is due to the fact that it's output, unlike the comparator inside it, is on a linear range of values, not a simple logic high. We instead characterize slew rate (1 V/uS) and step response of the input. If you examine figures 12-16 of the datasheet, you can see the part's response to a variety of inputs over several gain variants. With the slew rate in hand, your customer should easily be able to determine the amount of time it would take the output to climb from a starting voltage to a new voltage due to a change at the input.

    Let me know if you need anything else.

    Carolus