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3161

Allegro MicroSystems
Part Number 3161
Manufacturer Allegro MicroSystems
Description HALL-EFFECT SWITCH
Published Mar 30, 2005
Detailed Description Data Sheet 27621.30A‡ 3161 HALL-EFFECT SWITCH FOR 2-WIRE APPLICATIONS This Hall-effect switch is a monolithic integrat...
Datasheet PDF File 3161 PDF File

3161
3161


Overview
Data Sheet 27621.
30A‡ 3161 HALL-EFFECT SWITCH FOR 2-WIRE APPLICATIONS This Hall-effect switch is a monolithic integrated circuit designed to operate continuously over extended temperatures to +85°C.
The unipolar switching characteristic makes this device ideal for use with a simple bar or rod magnet.
The A3161ELT and A3161EUA are identical except for package.
Each device includes a voltage regulator for operation with supply voltages of 3.
5 to 25 volts, reverse battery protection diode, quadratic Hall-voltage generator, temperature compensation circuitry, small-signal amplifier, Schmitt trigger, and a constant-current open-collector output.
Noise radiation is limited by control of the outp...



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