US5681

US5681 Unipolar Hall Switch – High Sensitivity Features and Benefits  Wide operating voltage range from 3.5V to 24V  High sensitivity  CMOS technology  Chopper-stabilized amplifier stage  Low current consumption  Open drain output  Thin SOT23 3L RoHS Compliant package Applications  Automotive, Consumer and Industrial  Solid-state switch  Interrupter  Current detector  Proximity detection Ordering information Product code US5681 US5681 Temperature Code E K Package Code SE SE Legend: Temperature code: Package Code: Packing Form: Ordering Example: E(-40 to 85°C) K (-40 to 125°C) SE = TSOT-23L RE = Reel US5681ESE-AAA-000-RE Option code AAA-000 AAA-000 Packing form code RE RE 1. Functional Diagram VDD OUT Voltage Regulator ESD protection Oscillator and Bias ESD protection DIG POR Hall Plate Temperature compensation reference DAMP DIDO COMP GND 2. General Description The Melexis US5681 is a unipolar Hall-effect switch designed in mixed signal CMOS technology. The device integrates a voltage regulator; Hall sensor with advanced Correlated Double Sampling (CDS) offset cancellation system and an open-drain output driver, all in a single package. Thanks to its wide operating voltage range and temperature range, it is suitable for use in automotive and solid state switch applications. The device is delivered in a Thin Small Outline Transistor (TSOT) 3-lead RoHS compliant package. REVISION 007 – APRIL 05, 2019 3901005681 Page 1 of 11 US5681 Unipolar ...