STMicroelectronics

STMicroelectronics STTS22H Digital Temperature Sensor

Ultra-low power temperature sensor offers ±0.5°C accuracy

The STTS22H from STMicroelectronics is an ultra low-power digital temperature sensor which offers high performance over the entire operating-temperature range of -40°C to 125°C. Accuracy is a maximum ±0.5°C over a temperature range of -10°C to 60°C.  

 

The STTS22H is a band-gap temperature sensor coupled with an ADC, signal processing logic, and an I2C/SMBus 3.0 interface in a single chip. The sensor is housed in a small 2 mm x 2 mm x 0.5 mm 6-lead UDFN package with exposed pad down, giving a better temperature match with the surrounding environment. 

 

The digital temperature sensor is factory-calibrated and requires no additional calibration on assembly into the application. STTS22H sensors are all tested on a production set-up which is traceable to National Institute of Standards and Technology (NIST) standards, and verified with equipment which is calibrated in accordance with the automotive IATF 16949:2016 standard. 

Features

  • Supply-voltage range: 1.5 V to 3.6 V
  • Programmable thresholds with Interrupt pin
  • 1.75 µA operating current in power-saving one-shot mode
  • 16-bit temperature data output

Applications

  • Wearable devices
  • Smart home automation
  • Asset and goods tracking
  • Smartphones
  • HVAC units
  • Refrigerators
  • Air humidifiers
  • Portable consumer devices
  • White goods
  • Thermostats
STMicroelectronics — STTS22H Digital Temperature Sensor

Evaluation Board

Part Number: STEVAL-MKI200V1K

The STEVAL-MKI200V1K evaluation kit consists of a probe with the STTS22H temperature sensor connected via flat cable to the STEVAL-MKIGIBV1 adapter board, so it can interface with the STEVAL-MKI109V3 motherboard.

 

The small package dimensions of the device allow it to be mounted at the end of a very thin probe, so its temperature readings are not influenced by heat from other electronic components or boards.

 

The STEVAL-MKIGIBV1 can be plugged into a standard DIL24 socket.

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