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A1262

Allegro
Part Number A1262
Manufacturer Allegro
Description Ultrasensitive Hall-Effect Latch
Published Sep 19, 2016
Detailed Description A1262 2D Dual-Channel Ultrasensitive Hall-Effect Latch FEATURES AND BENEFITS • 2D magnetic sensing via planar and verti...
Datasheet PDF File A1262 PDF File

A1262
A1262

Overview
A1262 2D Dual-Channel Ultrasensitive Hall-Effect Latch FEATURES AND BENEFITS • 2D magnetic sensing via planar and vertical Hall elements □ Quadrature outputs □ 90° phase separation between channels • Dual-channel output allows independent use of Z-axis planar Hall in conjunction with vertical Hall: □ Y-axis (default option) □ X-axis (with -X option) • High sensitivity, BOP typically 17 G • Automotive grade □ AEC-Q100 qualified for use in automotive applications (L temperature range option) □ Output short-circuit protection □ Resistant to physical stress □ Reverse-battery protection □ Superior temperature stability □ Supply voltage Zener clamp • Small size TYPICAL APPLICATIONS • Automotive □ Blower fans □ Electric pumps □ Electronic power steering □ Seat motors □ Trunk/liftgate motors □ Window/sunroof motors • Industrial, Commercial, and Consumer □ Garage doors □ Industrial motors □ Motorized window blinds □ Motorized gates □ Pumps □ White goods DESCRIPTION The A1262 is a two channel, latching Hall-effect sensor IC that features both vertical and planar Hall elements.
The vertical and planar Hall elements feature sensing axes that are orthogonal to one another and provide 90° of phase separation for ring magnets that is inherently independent of magnet pole spacing and air gap.
The 2D architecture of the A1262 simplifies the design of motors and magnetic encoders by providing quadrature output signals in a very small footprint.
The A1262 outputs allow the speed and direction of a rotating ring magnet to be determined.
The A1262 is available in two sensing options that allow flexibility in end-system magnetic design.
Both options feature a planar Hall plate that is sensitive to magnetic fields perpendicular to the face of the package (Z).
Two options of vertical Hall plate orientation (X or Y) in both packages offer flexibility in system design and magnet to sensor placement.
Continued on the next page… PACKAGES: 4-Pin SIP (Suffix K) 5-Pin SOT23W (Suffix LH) N...


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