Overview
The LPS22HBTR is an ultra-compact piezoresistive absolute pressure sensor developed by STMicroelectronics. It functions as a digital output barometer, comprising a sensing element and an IC interface that communicates through I²C or SPI. The sensing element, which detects absolute pressure, consists of a suspended membrane manufactured using a dedicated process. The device is available in a full-mold, holed LGA package (HLGA) and is guaranteed to operate over a temperature range from -40 °C to +85 °C.
Key Specifications
| Parameter | Value |
|---|---|
| Pressure Range | 260 to 1260 hPa |
| Current Consumption | Down to 3 μA |
| Overpressure Capability | 20x full-scale |
| Temperature Compensation | Embedded |
| Pressure Data Output | 24-bit |
| Temperature Data Output | 16-bit |
| Output Data Rate (ODR) | 1 Hz to 75 Hz |
| Interfaces | SPI and I²C |
| FIFO | Embedded |
| Interrupt Functions | Data Ready, FIFO flags, pressure thresholds |
| Supply Voltage | 1.7 to 3.6 V |
| Shock Survivability | 22,000 g |
| Package Dimensions | 2.0 x 2.0 x 0.76 mm (HLGA-10L) |
| Operating Temperature | -40 °C to +85 °C |
| RoHS Compliance | ECOPACK® lead-free compliant |
Key Features
- Ultra-compact design
- High overpressure capability: 20x full-scale
- Embedded temperature compensation
- 24-bit pressure data output and 16-bit temperature data output
- Output Data Rate (ODR) from 1 Hz to 75 Hz
- SPI and I²C interfaces
- Embedded FIFO and interrupt functions
- Low current consumption down to 3 μA
- High shock survivability: 22,000 g
- Small and thin package: 2.0 x 2.0 x 0.76 mm (HLGA-10L)
- ECOPACK® lead-free compliant
Applications
- Altimeters and barometers for portable devices
- GPS applications
- Weather station equipment
- Sport watches
- Automotive and industrial applications
Q & A
- What is the pressure range of the LPS22HBTR? The pressure range is from 260 to 1260 hPa.
- What are the communication interfaces available on the LPS22HBTR? The device supports SPI and I²C interfaces.
- What is the operating temperature range of the LPS22HBTR? The device operates from -40 °C to +85 °C.
- Does the LPS22HBTR have embedded temperature compensation? Yes, it has embedded temperature compensation.
- What is the resolution of the pressure data output? The pressure data output is 24-bit.
- What is the resolution of the temperature data output? The temperature data output is 16-bit.
- What are the interrupt functions available on the LPS22HBTR? The device has interrupt functions for Data Ready, FIFO flags, and pressure thresholds.
- Is the LPS22HBTR RoHS compliant? Yes, it is ECOPACK® lead-free compliant.
- What is the package size of the LPS22HBTR? The package dimensions are 2.0 x 2.0 x 0.76 mm (HLGA-10L).
- What is the shock survivability of the LPS22HBTR? The device has high shock survivability of 22,000 g.
