关键词: half bridge, thermistor, ADC, A/D converter, NTC, PTC, ratiometric, negative temperature coefficent, position temperature coefficent, analog to digital converters
Abstract: This article describes a simple and cost effective method of measuring temperature using a thermistor connected in a half-bridge configuration. The goal is to perform a ratiometric measurement such that the VREF source voltage to the divider is the same as the reference to the analog-to-digital converter (ADC) used to measure the voltage at VT.
A Simple Thermistor Interface to an ADC.pdf 
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