Thermistor Alternative

A precision analog output temperature sensor can operate between -58 and 302°F (-50 and 150°C).

See the related feature article:

Do Analog Temperature Sensors Need Bypass Capacitors?
The answer to this question depends on the application and the temperature sensor itself.

Texas Instruments’ LMT87 is a precision analog output temperature sensor that can operate between -58 and 302°F (-50 and 150°C). It is an effective replacement for NTC thermistors because it delivers more accurate and more linear measurements while consuming less power.

The LMT87/LMT87-Q1 are precision analog output CMOS integrated-circuit temperature sensors. A class-AB output structure gives the LMT87/LMT87-Q1 strong output source and sink current capability for driving heavy loads. This means it is well suited to source the input of a sample-and-hold analog-to-digital converter with its transient load requirements. The LMT87/LMT87-Q1 low supply current makes it ideal for battery-powered systems as well as general temperature sensing applications.

For more information on this product, please download the data sheet from www.ti.com/lmt87-ca. For more information on temperature sensors, visit www.ti.com/tempsensors-ca.

Emmy Denton is an applications engineer for Texas Instruments’ integrated signal chain product line located in Santa Clara, Calif. The company can be reached at 972-995-2011 or visit the website at www.ti.com

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