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Low-power and high-precision MEMS nano pressure sensor: 260-1260 hPa absolute digital output barometer

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In stock
Parameter NameParameter Value
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
Package Size2 x 2 x 0.73
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NameHLGA 2X2X.8 10L EXP. SILIC .91SQ

The LPS22DF is an ultra-compact piezoresistive absolute pressure sensor which 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 which 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 as well. 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.

Key features
  • 260 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 I3CSM interfaces
  • Supports 1.08 V digital interface
  • Embedded FIFO
  • Interrupt functions: Data-Ready, FIFO flags, pressure thresholds
  • Supply voltage: 1.7 to 3.6 V
  • High shock survivability: 22,000 g
  • Small and thin package
  • ECOPACK lead-free compliant