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DESCRIPTION

The A17201 is an AC-coupled Hall-effect sensor IC which includes monolithic integrated circuits that switch in response to changing differential magnetic fields created by rotating ring magnets or, when coupled with a magnet, by ferrous targets. This device also includes an integrated tracking capacitor that provides the high accuracy of analog sensing without an external filter capacitor. This reduces cost and components, while improving the reliability of the final sensor solution.

FEATURES AND BENEFITS

? Integrated tracking capacitor

? Integrated capacitor reduces requirements for external

EMI protection components (UB package)

? Used for sensing motion of ring magnet or ferrous targets

? Wide operating temperature range

? Operation with magnetic input signal frequency from

8 Hz to 20 kHz

? Large effective air gaps

? 3.5 to 24.0 V supply operating range

? Reverse battery protection

? Resistant to mechanical and thermal stress