LPS22DFTR

Pressure Sensors Transducers Overview

The LPS22DFTR is a low-power, high-precision MEMS nano pressure sensor functioning as an absolute digital output barometer. It features a piezoresistive sensing element with a suspended membrane and an integrated IC interface supporting I²C, SPI, or MIPI I3C protocols. The device operates within a 260 hPa to 1260 hPa absolute pressure range, offering 24-bit resolution and a current consumption as low as 1.7 μA. It ensures an accuracy of 0.5 hPa with a noise level of 0.34 Pa. The sensor supports a supply voltage from 1.7 V to 3.6 V and includes embedded temperature compensation with a TCO of 0.45 Pa/°C. It is housed in a compact HLGA-10 package.

Pressure Sensors Transducers Feature Summary

• Ultra-compact piezoresistive design with embedded FIFO and interrupt functions for data efficiency
• High mechanical robustness with shock resistance up to 22,000 g
• Wide digital interface voltage support down to 1.08 V for flexible system integration

Pressure Sensors Transducers Applications

• Altitude and barometer functions in portable devices
• GPS enhancement applications
• Meteorological station equipment
• Sport watches and drones
• Electronic cigarettes and gas metering

Pressure Sensors Transducers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm the exact packaging configuration, such as reel specifications. Ensure compatibility with the required interface protocol and voltage levels before finalizing procurement. Cross-reference the part number with the latest datasheet to confirm availability of the HLGA-10 package and extended temperature range ratings.

Pressure Sensors Transducers Selection Notes

Select this component for designs requiring minimal power consumption and high precision in a small form factor. The integrated temperature compensation simplifies calibration requirements. Consider the available interface options and the wide input voltage range when designing the host system. Verify that the operating temperature range meets the environmental constraints of the target application.

Pressure Sensors Transducers Part Context

This part belongs to the LPS22HB series of MEMS nano pressure sensors from STMicroelectronics. It represents an evolution in low-power sensing technology, offering improved performance metrics compared to previous generations. The series is designed for battery-operated applications where size and energy efficiency are critical constraints.

Pressure Sensors Transducers Replacement Considerations

Consult official substitution lists for compatible alternatives within the same product family. Verify pinout and electrical parameter compatibility before replacing existing components in established designs.