LPS331AP

LPS331AP MEMS pressure sensor: 260-1260 mbar absolute digital output barometer Datasheet −production data Features ■ ■ ■ 260 to 1260 mbar absolute pressure range High-resolution mode: 0.020 mbar RMS Low power consumption: – Low resolution mode: 5.5 µA – High resolution mode: 30 µA High overpressure capability: 20x full scale Embedded temperature compensation Embedded 24-bit ADC Selectable ODR from 1 Hz to 25 Hz SPI and I2C interfaces Supply voltage: 1.71 to 3.6 V High shock survivability: 10,000 g Small and thin package ECOPACK® lead-free compliant The sensing element consists of a suspended membrane realized inside a single mono-silicon substrate. It is capable to detecting pressure and is manufactured using a dedicated process developed by ST, called VENSENS. The VENSENS process allows to build a monosilicon membrane above an air cavity with controlled gap and defined pressure. The membrane is very small compared to the traditionally built silicon micromachined membranes. Membrane breakage is prevented by an intrinsic mechanical stopper. The IC interface is manufactured using a standard CMOS process that allows a high level of integration to design a dedicated circuit which is trimmed to better match the sensing element characteristics. The LPS331AP is available in a small holed cap land grid array (HCLGA) package and it is guaranteed to operate over a temperature range extending from -40 °C to +85 °C. The package is holed to allow external pressure to reach the sensing e...