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RTD measurement error budget calculation and ADC selection



    I am going to design temperature measurement system for industrial application  with below given specifications

    Range -50°C to 300°C
    Step 0.1°C
    Accuracy ±2°C
    Wiring Configuration


    Operating Temperature Range

    -20°C to 55°C

    I need to do some design calculations like

    1. ADC resolution ?

    3. ADC error budget ?

    4. ADC selection ?

    5. Signal conditioning error budget ?

    please give me brief guidance for calculation of above given points and suggest design application note for the reference