LPS331APTR

Pressure Sensors Transducers Overview

The LPS331APTR is an ultra-compact absolute piezoresistive pressure sensor manufactured by STMicroelectronics. It integrates a monolithic sensing element with an IC interface for digital output via I2C or SPI. The device operates within a supply voltage range of 1.7V to 3.6V and features a 24-bit resolution. It measures absolute pressure in the range of 260 mbar to 1260 mbar (26 kPa to 126 kPa). The sensor includes temperature compensation and is housed in a 16-pin HCLGA package.

Pressure Sensors Transducers Feature Summary

• Integrates a monolithic MEMS sensing element with signal conditioning IC
• Provides high-resolution 24-bit digital output via standard interfaces
• Includes factory-calibrated temperature compensation for accuracy
• Ultra-compact surface-mount packaging for board space efficiency

Pressure Sensors Transducers Applications

• Barometric pressure measurement for weather stations
• Altitude tracking in wearable devices and smartphones
• Indoor navigation systems requiring relative height detection
• Smart metering applications for gas and water utility monitoring

Pressure Sensors Transducers Procurement Notes

Verify the specific suffix 'TR' indicates tape-and-reel packaging configuration when sourcing. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary. Ensure the operating temperature range meets the specific environmental requirements of the target application before finalizing procurement.

Pressure Sensors Transducers Selection Notes

Select this component for applications requiring precise absolute pressure and altitude data in space-constrained designs. Consider the 1.7V to 3.6V supply range compatibility with low-power microcontrollers. Evaluate the need for integrated temperature compensation to minimize external calibration efforts in varying thermal environments.

Pressure Sensors Transducers Part Context

This part belongs to the LPS331 family of MEMS pressure sensors from STMicroelectronics. It is designed for high-performance barometric applications where size and power consumption are critical constraints. The device complements other environmental sensors in smart grid and IoT solution roadmaps.

Pressure Sensors Transducers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and interface compatibility if considering alternative manufacturers for this pressure range.