SS2881

Packages 3 pin SOT23 (suffix SO) SS2881 Hall Latch - High Sensitivity 3 pin SIP (suffix UA) Features and Benefits – Wide operating voltage range from 3.5V to 24V – High magnetic sensitivity – Multi-purpose – CMOS technology – Low current consumption – Chopper-stabilized amplifier stage – Open drain output – Superior temperature stability – Insensitive to physical stress – SOT23 3L and flat SIP 3L both RoHS Compliant packages Functional Block Diagram VDD Voltage Regulator Chopper Application Examples – Automotive, Consumer and Industrial – Solid-state switch – Brushless DC motor commutation – Speed detection OUT – Angular position detection – Linear position detection – Proximity detection Hall Plate GND General Description SIP Package Pin 1 – VDD Pin 2 – GND Pin 3 – OUT SOT Package Pin 1 – VDD Pin 2 – OUT Pin 3 – GND The SS2881 is a Hall-effect sensor IC fabricated from 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. It incorporates advanced chopper stabilization techniques to provide accurate and stable magnetic switch points. There are many applications for this HED - Hall Electronic Device - in addition to those listed above. The design, specifications and performance have been optimized for commutation applications in 5V and 12V brushless DC motors. Thanks to its wide operating voltage range and extended choi...