Electronic Products & Technology

Dual-channel quadrature Hall-effect bipolar switch is low-jitter, high-speed

EP&T Magazine   


ALLEGRO MICROSYSTEMS A1230 monolithic dual-channel, bipolar switch IC provides two Hall-effect sensing elements, each providing a separate digital output for speed and direction signal processing capability. The Hall elements are photolithographically aligned to better than 1µm. maintaining accurate mechanical location between the two active Hall elements eliminates the major manufacturing hurdle encountered in fine-pitch detection applications. The digital outputs are out of phase so that the outputs are in quadrature when interfaced with the proper ring magnet design.



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