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ADS125H01: Vin range

Laszlo Garab
Intellectual 965 points
Part Number: ADS125H01

Hello,

I would like to make clear the input range, 

I use +/-15V supply and do not ground my system and the measured one, only the differential input + is connected to 18V and the diferential input - is connected to -1V. It means I keep the diferential limit, but I am out of the supply range. Will be the measurement correct?

Regards,

Laszlo

  • +1
    TI__Mastermind 35131 points

    Hi Laszlo,

    I would recommend using our ADS125H0x Excel Calculator tool to help understand the valid input ranges for the ADS125H01: https://www.ti.com/lit/zip/sbac234

    Specifically, the common-mode range tool helps illustrate what combination of gain and supply settings are required for a specific input voltage to be valid. Note that the absolute value of the input voltage with respect to ground cannot be greater than HVDD or less than HVSS.

    -Bryan