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Original question:

INA226EVM: Shunt for uA monitoring

Conversion time

Shmuel Davis
Expert 2930 points
Part Number: INA226EVM
Other Parts Discussed in Thread: INA226

I need to make recordings within approx 500uS - 1mS ranges. Is this possible with the INA226EVM ?

  • 0
    TI__Mastermind 26335 points

    Hello Shmuel.

    Thanks for considering to use Texas Instruments. The EVM GUI and SM-USB-DIG Platform unfortunately do not showcase the full potential of the INA226.  Those conversion times are possible and you can select them on the EVM GUI, however you likely will not be able to read back at those speeds with our current EVM.  If want to be able to read back at a rate corresponding to those coversion times, you will need to use your own microcontroller. If you do not already have one, our MSP430 team may be able to help you out.  Typically they have example code for various microcontroller functions including I2C read and write.