LPS22DF MEMS Nano Pressure Sensor

LPS22DF MEMS Nano Pressure Sensor

STMicroelectronics’ ultra-compact piezoresistive absolute pressure sensor functions as a digital output barometer

STMicroelectronics’ LPS22DF is an ultra-compact piezoresistive absolute pressure sensor that functions as a digital output barometer. The LPS22DF provides lower power consumption, achieving lower pressure noise than its predecessor. The device comprises a sensing element and an IC interface that communicates over I²C, MIPI I3CSM, or SPI interfaces from the sensing element to the application and supports a wide VDD IO range for the digital interfaces. The sensing element, which detects absolute pressure, consists of a suspended membrane manufactured using a dedicated process developed by ST.

The LPS22DF is available in a full-mold, holed LGA package (HLGA). 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.


  • 260 hPa to 1260 hPa absolute pressure range
  • Current consumption down to 1.7 μA
  • Absolute pressure accuracy: 0.5 hPa
  • Low-pressure sensor noise: 0.34 Pa
  • High-performance TCO: 0.45 Pa/°C
  • Embedded temperature compensation
  • 24-bit pressure data output
  • ODR from 1 Hz to 200 Hz
  • SPI, I²C, or MIPI I3C interfaces
  • Supports 1.08 V digital interface
  • Embedded FIFO
  • Interrupt functions: data ready, FIFO flags, pressure thresholds
  • Supply voltage: 1.7 V to 3.6 V
  • High shock survivability: 22,000 g
  • Small and thin package
  • B26ECOPACK lead-free compliant

more information: https://www.st.com/en/mems-and-sensors/lps22df.html

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