General Description

The SS139 is a unipolar Hall-effect sensor IC fabricated from CMOS technology. The device integrates a voltage regulator, Hall sensor with dynamic offset cancellation system, small signal amplifier, Schmitt trigger and an open-drain output driver. With suitable output pull up, they can be used with bipolar or CMOS logic circuits.

Features and Benefits

– 3.5V to 24V Operation

– -40°C to 150°C Superior temperature operation

– CMOS technology

– Low current consumption

– Chopper-stabilized amplifier stage

– Open drain output

– Low sensitivity

– Small Size-SOT23 3L or SIP 3L both RoHS compliant packages

Application Examples

– Automotive, Consumer and Industrial

– Solid-state switch

– Brushless DC motor commutation

– Speed detection

– Angular position detection

– Proximity detection

– Current detector