AN2017 - PSoC® 1 Temperature Measurement with Thermistor | サイプレス セミコンダクタ
AN2017 - PSoC® 1 Temperature Measurement with Thermistor
AN2017 shows how to use PSoC® 1 to accurately measure temperature with a thermistor.
The associated project measures the resistance of a thermistor to calculate its temperature using lookup tables and equations, and is also used with other PSoC 1 devices that have the required resources.
A thermistor is a temperature-sensitive resistor in which resistance varies with temperature. There are two types of thermistors: positive temperature coefficient (PTC) thermistors and negative temperature coefficient (NTC) thermistors. This application note describes the more commonly used NTC thermistors, in which resistance decreases with increase in temperature. Based on this principle, temperature is calculated by measuring the resistance.
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