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A1266

Allegro
Part Number A1266
Manufacturer Allegro
Description Micropower Ultrasensitive 3D Hall-Effect Switch
Published Sep 19, 2016
Detailed Description A1266 Micropower Ultrasensitive 3D Hall-Effect Switch FEATURES AND BENEFITS • True 3D sensing • Omnipolar operation w...
Datasheet PDF File A1266 PDF File

A1266
A1266

Overview
A1266 Micropower Ultrasensitive 3D Hall-Effect Switch FEATURES AND BENEFITS • True 3D sensing • Omnipolar operation with either north or south pole • 2.
5 to 5.
5 V operation • Low supply current • High sensitivity, BOP typically 25 G • Chopper-stabilized offset cancellation □□Superior temperature stability □□Extremely low switchpoint drift □□Insensitive to physical stress • Solid-state reliability • Choice of output format □□Separate X, Y, and Z outputs □□Combined (X+Y+Z) output • Tiny SOT-23 packages PACKAGES: 5-Pin SOT23-W 3-Pin SOT23-W DESCRIPTION The A1266 integrated circuit is an ultrasensitive Hall-effect switch with 3D omnipolar magnetic actuation.
The single silicon chip includes: three Hall plates, multiplexer, smallsignal amplifier, chopper stabilization, Schmitt trigger, and NMOS output transistors.
The device outputs turn on when a magnetic field of sufficient strength is applied to the sensor in any orientation.
Removal of the magnetic field will turn the outpu...


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