Details, datasheet, quote on part number: LPS35HWTR
PartLPS35HWTR
Category
TitleBoard Mount Pressure Sensors MEMS pressure sensor: 260-1260 hPa absolute digital output barometer with water resistant package
Description

STMicroelectronics LPS35HW MEMS Pressure Sensor is an ultra-compact piezoresistive pressure sensor which functions as a digital output barometer. The pressure sensor has a water resistant package, 260 to 1260hPa absolute pressure range with a current consumption down to 3A. The LPS35HW is ST's smallest water-resistant pressure sensor. The device is comprised of a sensing element and an IC interface which communicates through I2C or SPI. The sensing element detects absolute pressure and consists of a suspended membrane manufactured using a dedicated process developed by ST.



CompanyST Microelectronics, Inc.
DatasheetDownload LPS35HWTR datasheet
  
LPS35HWTR photo

Others parts numbering
STEVAL-MKI177V1: Pressure Sensor Development Tools LPS35HW adapter board for a standard DIL24 socket

 

Features, Applications
MEMS pressure sensor: 260-1260 hPa absolute digital output barometer with water resistant package
Applications

Wearable devices Altimeter and barometer for portable devices GPS applications Weather station equipment

Description

The is an ultra-compact piezoresistive pressure sensor which functions as a digital output barometer. The device comprises a sensing element and an IC interface which communicates through I2C or SPI from the sensing element to the application. The sensing element, which detects absolute pressure, consists of a suspended membrane manufactured using a dedicated process developed by ST. The LPS35HW is available in a holed ceramic LGA package. It is guaranteed to operate over a temperature range extending from to +85 C. The package is holed to allow external pressure to reach the sensing element.

Table 1: Device summary table Order code LPS35HW CCLGA10L Tray Temperature range [C] Package CCLGA10L Packing Tape and reel

Features

Pressure sensor with water resistant package to 1260 hPa absolute pressure range Current consumption down 3 A High overpressure capability: 20x full scale Embedded temperature compensation 24-bit pressure data output 16-bit temperature data output ODR from 75 Hz SPI and IC interfaces Embedded FIFO Interrupt functions: Data Ready, FIFO flags, pressure thresholds Supply voltage: to 3.6 ECOPACK lead-free compliant

1 2 Block diagram and pin description................................................ 6 Mechanical and electrical specifications....................................... 8

2.2 2.3 Mechanical characteristics................................................................ 8 Electrical characteristics.................................................................... 9 Communication interface characteristics........................................... 9

2.3.1 2.3.2 SPI serial peripheral interface............................................................ 9 I2C inter - IC control interface.......................................................... 10

Absolute maximum ratings.............................................................. 12 Sensing element............................................................................. 13 IC interface...................................................................................... 13 Factory calibration........................................................................... 13 How to interpret pressure readings................................................. 13 Bypass mode.................................................................................. 15 FIFO mode...................................................................................... 16 Stream mode................................................................................... 16 Dynamic-Stream mode................................................................... 17 Stream-to-FIFO mode..................................................................... 18 Bypass-to-Stream mode................................................................. 19 Bypass-to-FIFO mode..................................................................... 20 Retrieving data from FIFO............................................................... 20 Soldering information...................................................................... 22 IC serial interface............................................................................ 23 I2C serial interface.......................................................................... 23 I2C operation................................................................................... 24 SPI bus interface............................................................................. 25 SPI read.......................................................................................... 26 SPI write.......................................................................................... 27 SPI read in 3-wire mode.................................................................. 28


 

Some Part number from the same manufacture ST Microelectronics, Inc.
STEVAL-MKI177V1

STMicroelectronics LPS35HW MEMS Pressure Sensor is an ultra-compact piezoresistive pressure sensor which functions as a digital output barometer. The pressure sensor has a water resistant package, 260 to 1260hPa

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