High-Precision AC-Coupled Differential Hall-Effect Sensor ICs

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A1421, A1422, A1423

The A1421/2/3 family offers high-precision motion sensing of ring magnets or ferrous targets, with an integrated filter capacitor for simplified design and improved reliability. These AC-coupled sensors provide excellent repeatability and accuracy, making them ideal for automotive transmission and crankshaft speed sensing.

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Application Note	Fundamental Properties of Speed Sensors

A1421, A1422, A1423

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