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MA142/Ee102 - capacitive proximity sensor

The MA142/Ee102 is a proximity sensor that makes use of a patent from EDISEN Sensor Systeme GmbH & CO KG. A change in capacitance is detected by a digital algorithm that is auto-calibrating such that all stray capacitances are compensated. This results in a reliable proximty switch.

Applications

Medical
Automotive
Buildings & Sanitary
mobile application
hermetical or vandalproof switches
intrinsic safety

Features

Dynamic proximity switch
Digital processing method
Automatic calibration
Up to 10m between the sensing plate and IC
Open-drain output (P-type MOSFET, external load between pin and ground)
Low-power battery operation possible (I_HI < 5μA)
Adjustable response time
Adjustable sensitivity
Output configurable as push-button, toggle or pulse
Large voltage operating range (V_HI = 3 to 9V)
Internal voltage regulator

Typical application

Ordering information

Type	Package	Shipping	Article No
MA142A	SO8	Tube	916037
MA142A	SO8	Tape&Reel	916037.T
MA142A	CSP	Tape&Reel	916039.T

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Datasheet (307kB)

Application note (263kB)