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3121

Part Number	3121
Manufacturer	Allegro MicroSystems
Description	HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION
Published	Mar 30, 2005
Detailed Description	3121, 3122, AND 3123 HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION These Hall-effect switches are monolithic inte...
Datasheet	3121 PDF File

Overview

3121, 3122, AND 3123 HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION These Hall-effect switches are monolithic integrated circuits with tighter magnetic specifications, designed to operate continuously over extended temperatures to +150°C, 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.
The three basic devices (3121, 3122, and 3123) are identical except for magnetic switch points.
Each device includes a voltage regulator for operation with supply voltages of 4.
5 voltas to 24 volts, reverse battery protection diode, quadratic Hall-voltage generator, temperature c...

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