The TMP23x devices are a family of precision CMOS
integrated-circuit linear analog temperature sensors with an output voltage proportional to
temperature engineers can use in multiple analog temperature-sensing applications. These
temperature sensors are more accurate than similar pin-compatible devices on the market, featuring
typical accuracy from 0°C to +70°C of ±0.5°C and ±1°C.
accuracy of the series is designed for many analog temperature-sensing applications. The
TMP235 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 sensor provides a positive slope output of 19.5 mV/°C from
–10°C to +125°C and a supply range from 3.1 V to 5.5 V.
The 9-µA typical quiescent current and 800-µs typical power-on time enable effective
power-cycling architectures to minimize power consumption for battery-powered devices. A class-AB
output driver provides a strong 500-µA maximum output to drive capacitive loads up to 1000 pF and
is designed to directly interface to analog-to-digital converter sample and hold inputs. With
excellent accuracy and a strong linear output driver, the TMP23x
analog output temperature sensors are cost-effective alternatives to passive thermistors.
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