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