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LPS25H Datasheet(PDF) 1 Page - STMicroelectronics |
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LPS25H Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 45 page  This is information on a product still in production but not recommended for new designs. April 2016 DocID023722 Rev 5 1/45 LPS25H MEMS pressure sensor: 260-1260 hPa absolute digital output barometer Datasheet - not recommended for new design Features • 260 to 1260 hPa absolute pressure range • High-resolution mode: 1 Pa RMS • Low power consumption: – Low resolution mode: 4 µA – High resolution mode: 25 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 • Embedded FIFO • Supply voltage: 1.7 to 3.6 V • High shock survivability: 10,000 g • Small and thin package • ECOPACK® lead-free compliant Applications • Altimeter and barometer for portable devices • GPS applications • Weather station equipment • Sport watches Description The LPS25H is an ultra compact absolute piezoresistive pressure sensor. It includes a monolithic sensing element and an IC interface able to take the information from the sensing element and to provide a digital signal to the external world. The sensing element consists of a suspended membrane realized inside a single mono-silicon substrate. It is capable to detect the absolute pressure and is manufactured with a dedicated process developed by ST. 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 LPS25H is available in a cavity holed LGA package (HCLGA). It is guaranteed to operate over a temperature range extending from -30 °C to +105 °C. The package is holed to allow external pressure to reach the sensing element. HCLGA-10L (2.5 x 2.5 x 1.0 mm) Table 1. Device summary Order code Temperature range [°C] Package Packing LPS25HTR -30 to +105 HCLGA-10L Tape and reel LPS25H Tray www.st.com |
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