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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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LPS331APTR 데이터시트(PDF) 1 Page - STMicroelectronics |
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LPS331APTR 데이터시트(HTML) 1 Page - STMicroelectronics |
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1 / 36 page  This is information on a product in full production. March 2012 Doc ID 022112 Rev 7 1/36 36 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 Applications ■ Indoor and outdoor navigation ■ Enhanced GPS for dead-reckoning ■ Altimeter and barometer for portable devices ■ Weather station equipment ■ Sport watches Description The LPS331AP 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 detecting pressure and is manufactured using a dedicated process developed by ST, called VENSENS. The VENSENS process allows to build a mono- silicon 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 element. HCLGA-16L (3 x 3 x 1 mm) Table 1. Device summary Order codes Temperature range [°C] Package Packing LPS331APY -40 to +85 HCLGA-16L Tray LPS331APTR Tape and reel www.st.com |
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