STMicroelectronics LPS22 MEMS Nano Pressure Sensor
STMicroelectronics LPS22 MEMS Nano Pressure Sensor is an ultracompact piezoresistive absolute pressure sensor which functions as a digital output barometer. The sensor has a 260 to 1260hPa absolute pressure range with a current consumption down to 3μA. 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 detects absolute pressure and consists of a suspended membrane manufactured using a dedicated process. The LPS22 is available in a full-mold, holed LGA package (HLGA). The sensor 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.
Features
- 260 to 1260hPa absolute pressure range
- Current consumption down to 3μA
- High overpressure capability: 20x full-scale
- Embedded temperature compensation
- 24-bit pressure data output
- 16-bit temperature data output
- ODR from 1Hz to 75Hz
- SPI and I2C interfaces
- Embedded FIFO
- Interrupt functions:
- Data Ready, FIFO flags, pressure thresholds
- Supply voltage: 1.7 to 3.6V
- High shock survivability: 22,000g
- Small and thin package
- ECOPACK® lead-free compliant
Applications
- Altimeters and barometers for portable devices
- GPS applications
- Weather station equipment
- Sport watches
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Block Diagram
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