MEMS sensor measures altitude, atmospheric pressure or water depth

Able to measure altitude, atmospheric pressure or water depth in wearable electronics, activity monitors, industrial and marine instruments and mobile phones and cameras, the 2SMPB-01-01 can detect height differences as little as 500mm.

The tiny sensor is Omron’s most accurate pressure sensor, providing readings relative to a perfect vacuum to ±6Pa. It measures 3.8 x 3.8 x 1mm, small enough to integrate into portable instruments. It provides an I²C output for integration into digital electronics.

Piezo resistance in a full bridge circuit detects pressure, and is temperature- compensated giving an absolute temperature accuracy of ±2°C. The sensor offers just 9µA typical power consumption and can operate in standard, high accuracy and low power modes. It is packaged in 8pin QFN structure with surface mounting terminals.

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