Description
A3144 Unipolar hall-effect sensor is a magnetic switch. This hall effect sensor just like an reed switch but more sensitive to magnetic flux and suitable for hares environment because of semiconductor type ceasing and no glass encapsulation. This type of unipolar hall effect sensor changes its state if one pole of magnet comes near it. Each hall-effect integrated circuit includes a hall sensing element, linear amplifier, and emitter-follower output stage. Problems associated with handling tiny analog signals are minimized by having the hall cell and amplifier on a single chip.
Features
. Extremely sensitive
. Open collector pre driver
. Low-noise output
. 4.5V to 24V operation
. Magnetically optimized package
Typical applications
. Motion detector
. Gear tooth sensors
. Proximity detector
. Velocity detecting of motor bicycle
. Current detecting sensor.
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