LPS22HDTR STMicroelectronics

LPS22HD MEMS nano pressure sensor: 260-1260 hPa absolute digital output barometer Datasheet - production data Applications Altimeters especially suitable for drones Estimations of speed of ascent and descent Altimeters and barometers for portable devices GPS applications HLGA-10L Weather station equipment (2.0 x 2.0 x 0.76 mm) Sport watches Features Description 260 to 1260 hPa absolute pressure range The LPS22HD is an ultra-compact piezoresistive absolute pressure sensor which functions as a Current consumption down to 3 A digital output barometer. The device comprises a High overpressure capability: 20x full-scale sensing element and an IC interface which 2 Embedded temperature compensation communicates through I C or SPI from the sensing element to the application. 24-bit pressure data output The sensing element, which detects absolute 16-bit temperature data output pressure, consists of a suspended membrane ODR from 1 Hz to 75 Hz manufactured using a dedicated process SPI and IC interfaces developed by ST. Embedded FIFO The LPS22HD is available in a full-mold, holed Interrupt functions: Data Ready, FIFO flags, LGA package (HLGA). It is guaranteed to operate pressure thresholds over a temperature range extending from -40 C to +85 C. The package is holed to allow external Supply voltage: 1.7 to 3.6 V pressure to reach the sensing element. High shock survivability: 22,000 g Small and thin package ECOPACK lead-free compliant Table 1. Device summary Order code Temperature range C Package Packing LPS22HDTR -40 to +85C HLGA-10L Tape and reel November 2016 DocID029987 Rev 1 1/49 This is information on a product in full production. www.st.comContents LPS22HD Contents 1 Block diagrams . 7 2 Pin description . 8 3 Mechanical and electrical specifications . 10 3.1 Mechanical characteristics 10 3.2 Electrical characteristics 11 3.3 Communication interface characteristics . 12 3.3.1 SPI - serial peripheral interface . 12 2 3.3.2 I C - inter-IC control interface 13 3.4 Absolute maximum ratings 14 4 Functionality 15 4.1 Sensing element 15 4.2 IC interface 15 4.3 Factory calibration 15 4.4 Interpreting pressure readings . 16 4.5 One-shot mode . 16 5 FIFO . 17 5.1 Bypass mode 17 5.2 FIFO mode 18 5.3 Stream mode 19 5.4 Dynamic-Stream mode . 20 5.5 Stream-to-FIFO mode . 21 5.6 Bypass-to-Stream mode 22 5.7 Bypass-to-FIFO mode . 23 5.8 Retrieving data from FIFO 23 6 Application hints . 24 6.1 Soldering information 24 7 Digital interfaces . 25 2/49 DocID029987 Rev 1