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STMicroelectronics LPS33HW digital output barometer

STMicroelectronics LPS33HW 260-1260 hPa absolute digital output barometer with water resistant package.


The LPS33HW is an ultra-compact piezoresistive pressure sensor which functions as a digital output barometer. The device comprises a sensing element and an IC interface which communicates through I2C or SPI from the sensing element to the application.  It is guaranteed to operate over a temperature range extending from -40 °C to +85 °C. The package is holed to allow external pressure to reach the sensing element. Gel inside the IC protects the electrical components from water.


Key features

  • Pressure sensor with water-resistant package
  • Current consumption down to 3 μA
  • 24-bit pressure, 16-bit temperature data output
  • Embedded FIFO​


Additional features

  • 260 to 1260 hPa absolute pressure range
  • High overpressure capability: 20x full scale
  • Embedded temperature compensation
  • 24-bit pressure data output
  • 16-bit temperature data output
  • ODR from 1 Hz to 75 Hz
  • SPI and I²C interfaces
  • Interrupt functions: data-ready, FIFO flags, pressure thresholds
  • Supply voltage: 1.7 to 3.6 V



  • Wearable devices
  • Altimeters and barometers for portable devices
  • GPS applications
  • Weather station equipment

STMicroelectronics LPS33HW digital output barometer | EBV Elektronik

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