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General Description

The Melexis US1881 is a Hall-effect latch designed in mixed signal CMOS technology.

The device integrates a voltage regulator, Hall sensor with dynamic offset cancellation system, Schmitt trigger and an open-drain output driver, all in a single package.

Thanks to its wide operating voltage range and extended choice of temperature range, it is quite suitable for use in automotive, industrial and consumer applications.

Features and Benefits

? Wide operating voltage range from 3.5V to 24V

? High magnetic sensitivity ¨C Multi-purpose

? CMOS technology

? Chopper-stabilized amplifier stage

? Low current consumption

? Open drain output

? Thin SOT23 3L and flat TO-92 3L both RoHS Compliant packages

Application Examples

? Automotive, Consumer and Industrial

? Solid-state switch

? Brushless DC motor commutation

? Speed detection

? Linear position detection

? Angular position detection

? Proximity detection