Sensors

Analogue output temperature sensor for powertrain

25th September 2019
Sponsored Post

The TMP23x-Q1 devices from Texas Instruments are a family of automotive grade precision CMOS integrated-circuit linear analogue temperature sensors with an output voltage proportional to temperature, serving various automotive applications from powertrain to infotainment. These temperature sensors have a typical accuracy from zero to +70°C of ±0.5°C. 

The TMP235-Q1 device provides a positive slope output of 10 mV/°C over the full –40°C to +150°C temperature range and a supply range from 2.3 V to 5.5 V. The higher gain TMP236-Q1 sensor provides a positive slope output of 19.5 mV/°C from –10°C to +125°C and a supply range from 3.1 to 5.5V.

The 9µA typical quiescent current and 800µs typical power-on time enable effective power-cycling architectures to minimise power consumption for battery-powered devices. A class-AB output driver provides a strong 500-µA maximum output to drive capacitive loads up to 1,000 pF and is designed to directly interface to analogue-to-digital converter sample and hold inputs. 

With excellent accuracy and a strong linear output driver, the TMP23x-Q1 analogue output temperature sensors are cost-effective alternatives to passive thermistors.

To learn more, click here.

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