FAQ1045 – Staging Wavelength Electronics

What is the accuracy of the thermistor bias current as a function of the supply voltage to which the bias resistor is connected? For example, what is the percentage change in bias current for, say, 1% and 5% changes in the supply voltage?

With a 5 V supply and a change of 1%, the bias current will change <0.02 µA and with a 5% change <0.04 µA on the 100 µA scale.