The LPS22HB is an ultra-compact piezoresistive absolute 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.

The sensing element, which detects absolute pressure, consists of a suspended membrane manufactured using a dedicated process developed by ST.

The LPS22HB 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 3 μA
• 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
• 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