General Description

The Melexis US2881 is a bipolar Hall-effect switch 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. n

Features and Benefits

❐ Wide operating voltage range from 3.5V to 24V

❐ Very high magnetic sensitivity

❐ 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