A pressure sensor which can detect height differences of as little as 50cm uses MEMS technology developed by Omron.
The sensor module can 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 absolute pressure sensor will provide readings relative to a perfect vacuum to ± 6Pa.
The sensor uses piezo resistance in a full bridge circuit to detect pressure, and is fully temperature compensated giving an absolute temperature accuracy of ± 2°C.
Power consumption is 9µA typical, and the module is packaged in 8-pin QFN structure with surface mounting terminals.
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