5 x Hall Effect Switch A3144 TO-92UA package


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These Hall-effect switches are monolithic integrated circuits with tighter magnetic specifications, designed to operate continuously over extended temperatures to +150C, and are more stable with both temperature and supply voltage changes.

The unipolar switching characteristic makes these devices ideal for use with a simple bar or rod magnet.

Each device includes a voltage regulator for operation with supply voltages of 4.5 to 24 volts, reverse battery protection diode, quadratic Hall-voltage generator, temperature compensation circuitry, smallsignal amplifier, Schmitt trigger, and an open-collector output to sink up to 25 mA.

With suitable output pull up (for example 10k), they can be used with bipolar or CMOS logic circuits like micro controllers.

Allegro A3144 Hall Effecy Switch Data Sheet

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