STMicroelectronics LPS28DFW Absolute Digital Output Barometer

STMicroelectronics LPS28DFW Absolute Digital Output Barometer is an ultra-compact piezoresistive absolute pressure sensor that operates as a digital output barometer. The LPS28DFW combines a sensing element and an IC interface which communicates over the I²C or MIPI I3CSM interface from the sensing element to the application.

The STM LPS28DFW Absolute Digital Output Barometer features a lower power consumption, achieving lower pressure noise than its predecessor. The LPS28DFW has been designed to meet the requirements and mission profile for personal electronics and consumer applications.

The device operates over a temperature range extending from -40°C to +85°C in a ceramic LGA package with a metal lid.

Features

Dual full-scale absolute pressure with water-resistant package
- Mode 1 at 260hPa to 1260hPa
- Mode 2 at 260hPa to 4060hPa
Current consumption down to 1.7μA
0.5hPa absolute pressure accuracy
0.32Pa low-pressure sensor noise
Embedded temperature compensation
24-bit pressure data output

ODR from 1Hz to 200Hz
I²C or MIPI I3CSM interface
Embedded FIFO
Interrupt functions: data-ready, FIFO flags, pressure thresholds
1.7V to 3.6V supply voltage
Easily sealed package with O-ring
ECOPACK lead-free compliant

Applications

Wearables
Altimeters and barometers for portable devices
GPS applications
Weather station equipment

Sport watches
e-cigarettes
Water depth monitoring

STMicroelectronics LPS28DFW Absolute Digital Output Barometer

Features

Applications

Architecture Block Diagram

Digital Logic

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