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ADS1015 conversion to temperature

Michael Powell1
Prodigy 190 points
Other Parts Discussed in Thread: ADS1015

Hello,

I need to know how to convert from ADS1015 digital counts to temperature. In our app we are measuring temperature. Is it a straight linear conversion, or are there other factors involved? One doc I read for another ADC said something about it being V = mT + b or something like that, where m and b are linear conversion factors. Suggestions are welcome.

Thank you...

  • 0
    TI__Guru** 113765 points

    Hi Michael,

    Welcome to the forum! There are a number of different temperature sensors such as thermistors, RTDs and thermocouples.  Some sensors need excitation.  You measure voltages with the ADS1015.  The voltage is then converted to temperature.  The formula is dependent on the sensor being used, and most sensors are not linear throughout the entire measurement range. 

    What kind of temperature sensor are you using? What is the range of temperatures you will be measuring?

    Best regards,

    Bob B