The new A1262 from Allegro MicroSystems Europe is a unique dual-channel Hall-effect latch featuring two-dimensional (2D) sensing via a combination of vertical and planar Hall elements.
The quadrature outputs of the A1262 allow rotation direction and position to be determined in applications such as sensing a rotating ring-magnet target. The unique 2D operation of the combined planar and vertical Hall elements allows the end user to achieve an ideal 90° of phase separation between channels which is also inherently independent of ring magnet geometry and pole pitch.
Using the A1262, system designers can achieve new mechanical configurations normally not feasible with traditional planar Hall sensors, including replacing pairs of through-hole single-inline packaged devices with a single, tiny surface-mount SOT23 IC.
The new device is suitable for the automotive, industrial and consumer markets.
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