I am using an ADS1115 as an analog to digital converter to measure temperature. I am using an RTD100 temperature sensor to measure a temperature range of -40 to 150 degree celsius but the resistance vs. temperature table of the temperature sensor is non linear.
How can I convert the temperature range of -40 to 150 degree celsius to a proportional voltage of 0-5V so that I can measure it with an ADS1115?
Temperature vs. resistance table of RTD100:
This is a reference circuit to which an RTD100 is connected. It converts the temperature range of 0-200 degrees celsius to 0-5V but I want to design a circuit that converts (-40)-150 degree celsius to 0-5V.
How should I calculate the resistance values connected to the opamp?