Environmental Sensors

TSYS01 Digital Temperature Sensor

The TSYS01 is a versatile, new technology temperature sensor chip and provides factory-calibrated temperature information. It includes a temperature sensing chip and a 24-bit ADC. Highly accurate temperature information (±0.1°C) and high resolution results from the 24 bit ADC and factory calibration.

The TSYS01 can interface to any microcontroller by an I2C or SPI protocol. The microcontroller calculates the temperature result based on the ADC values and the calibration parameters.


  • High accuracy up to ±0.1°C
  • Wide temperature range of -40C to +125C
  • Very small size, QFN16, 4 mm X 4 mm X 0.85 mm
  • Ready for SMT assembly
  • I2C and SPI interface
  • Temperature range on request
  • Low current consumption
  • Low self-heating
  • Additional input for external temperature sensor component
  • Accepts 2.2 to 3.5VDC supply


  • Industrial control
  • HVAC
  • Medical devices
  • Machine monitoring
  • Replacement of classical discrete temperature sensors with analog circuits
  • Good for battery-powered applications