US2881LSE-AAA-000-SP

Series:	--
Packaging:	Bulk
Part Status:	Active
Function:	Latch
Technology:	Hall Effect
Polarization:	South Pole
Sensing Range:	4.5mT Trip, -4.5mT Release
Test Condition:	25°C
Voltage - Supply:	3.5 V ~ 24 V
Current - Supply (Max):	5mA
Current - Output (Max):	50mA
Output Type:	Open Drain
Features:	--
Operating Temperature:	-40°C ~ 150°C (TA)
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	TSOT-23-3

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Introduction

The US2881LSE-AAA-000-SP is a solid-state magnetic switch which belongs to the magnetic sensors and switches category. It is a metal-oxide semiconductor (MOS) based solid-state magnetic switch and provides a reliable method to detect the presence of magnetic fields. Magnetic sensors and switches are used to control the position, speed or flow of objects, detect the presence/absence of objects, and measure the distance to objects. This document will discuss the application field and working principle of the US2881LSE-AAA-000-SP.

Application Field

The US2881LSE-AAA-000-SP magnetic switch is designed for a wide range of applications including door access control, alarm systems, vehicle machine vision systems, and security systems. It is suitable for applications in both mobile and stationary platforms where the reliability and security of the sensing system is paramount. The US2881LSE-AAA-000-SP is ideal for use in areas which require an uninterrupted, long-term and/or robust sensing system. It is also suitable for applications where large distances are required between the magnetic switch and the field source.

Working Principle

The US2881LSE-AAA-000-SP senses magnetic fields using a metal-oxide semiconductor (MOS) based solid-state technology. The US2881LSE-AAA-000-SP has an integrated sensing element and a CMOS circuit for signal conditioning and digital signal processing. The integrated sensing element is composed of a sensing ferrite element and a Hall effect device. The Hall effect device detects any changes in the magnetic field and produces a corresponding voltage signal which is digitized by the CMOS circuit and outputted to the user via a digital output. This silicon-on-insulator (SOI) technology provides both high-sensitivity and low power consumption. The US2881LSE-AAA-000-SP is designed to operate in a wide range of temperature environments, making it suitable for both mobile and stationary applications. It is capable of operating from -40°C to +85°C and is immune to noise interference caused by industrial fluorescent lights. The US2881LSE-AAA-000-SP has a long lifetime and high reliability due to its SOI technology. It has a built-in automatic calibration which improves the long-term stability and is capable of detecting a wide range of magnetic field strengths.

Conclusion

The US2881LSE-AAA-000-SP is a solid-state magnetic switch which utilizes metal-oxide semiconductor (MOS) technology to detect the presence of magnetic fields. It is designed for a wide range of applications including door access control, alarm systems, vehicle machine vision systems, and security systems. The US2881LSE-AAA-000-SP has a long lifetime and high reliability due to its SOI technology and is capable of operating in a wide range of temperature environments. It is the ideal choice for applications which require an uninterrupted, long-term and/or robust sensing system.

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