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Why is the supply range so much lower and tighter than other Allegro Hall sensor ICs?

April 26, 2017Allegro Hall ICs lower range sensor supply tighter

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10 Posted

Why is the supply range so much lower and tighter than other Allegro Hall sensor ICs?

1 Answer

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10 Posted

Unlike other Allegro Hall sensor ICs, the A3212 does not have its own internal voltage regulator. The regulator was intentionally left out in order to conserve power. The target applications in which it is designed into are battery powered such as cell phones, PDAs, etc. Therefore, the regulator is not as important and can be removed to conserve power on current.