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 – 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