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Partname:A3240
Description:CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
Manufacturer:Allegro MicroSystems, Inc.
Datasheet:PDF (232K).
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The A3240-- Hall-effect switch is an extremely temperature-stable and stress-resistant sensor especially suited for operation over extended temperature ranges to +150C. Superior high-temperature performance is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device overmolding, temperature dependencies, and thermal stress. The device includes on a single silicon chip a voltage regulator, Hall-voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and a short-circuit protected open-collector output to sink up to 25 mA. A south pole of sufficient strength will turn the output on. An on-board regulator permits operation with supply voltages of 4.2 to 24 volts.

Click here to download A3240 Datasheet
Click here to download A3240 Datasheet
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