A1147 Datasheet | Allegro MicroSystems

A1147 and A1148 Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches Features and Benefits - Chopper stabilization ▫ Low switchpoint drift over operating temperature range ▫ Low sensitivity to stress - Factory programmed at end-of-line for optimized switchpoints - On-chip protection ▫ Supply transient protection ▫ Reverse-battery protection ▫ On-board voltage regulator ▫ 3.5 to 24 V operation Description The A1147 and A1148 devices are two-wire, unipolar, Hall effect switches that are factory-programmed at end-of-line to optimize ultrasensitive magnetic switchpoint accuracy. These devices use a patented high frequency chopper-stabilization technique,...