A1140EUA-T

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Unipolar Switch
Technology:	Hall Effect
Polarization:	South Pole
Sensing Range:	11mT Trip, 4.5mT Release
Test Condition:	-40°C ~ 85°C
Voltage - Supply:	3.5 V ~ 24 V
Current - Supply (Max):	5mA
Current - Output (Max):	--
Output Type:	Current Source
Features:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	3-SSIP
Supplier Device Package:	3-SIP

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Introduction:

A1140EUA-T is a magnetic sensor switch operating in solid state, which is a device designed to detect the presence of a magnetic field and/or respond to changes in it. It is a compact, low-power and low-voltage solution for magnetic sensing, and its design provides flexibility, reliability and long-term stability. The device can detect magnetic flux densities as low as 0.3 mT (30 Gauss) and can be used for a wide range of applications, from instrumentation and process control to industrial automation and consumer products.

Application Field:

The A1140EUA-T can be used in a variety of applications, including industrial automation and process control, robotics, security systems, automotive and train applications, medical devices, and consumer products.Industrial automation and process control: This magnetic sensor switch is ideal for use in industrial automation and process control applications due to its low-power and low-voltage requirements. It can be used to control the operation of motors, valves, switches, and other components in industrial machines.Robotics: Robotics applications often require precise control over the various parts of the robot. The A1140EUA-T can provide accurate positional feedback, allowing the robot to respond quickly and accurately to changes in the environment.Security systems: Magnetic sensor switches are commonly used in security systems, both to detect intruders and to control access to restricted areas. The A1140EUA-T provides an efficient and reliable solution for such applications.Automotive and train applications: This device can be incorporated into custom automotive and train designs, where it can be used to determine the position and speed of the vehicle.Medical devices: Magnetic sensor switches can provide reliable guidance and control for medical devices, such as hospital beds and wheelchairs. The low-power and low-voltage requirements of the A1140EUA-T make it an ideal choice for such applications.Consumer products: The A1140EUA-T can also be used in a wide range of consumer products, including medical devices, toys, and consumer electronics.

Working Principle:

The working principle of the A1140EUA-T is based on the Hall effect. Hall effect is the production of a voltage across an electrical conductor when a magnetic field is applied perpendicular to it. In the A1140EUA-T, a Hall-effect sensor is mounted on an integrated circuit, allowing it to sense the presence of a magnetic field and/or respond to its changes.When the magnetic field that is applied to the sensor exceeds a certain threshold, the sensor will generate a voltage output. This output voltage is then applied to an output transistor, which turns on or off depending on the polarity of the magnetic field. This allows the device to provide an on/off status signal in response to the presence or absence of a magnetic field.The operating voltage range of the A1140EUA-T is 3 to 5.5 VDC and it can detect magnetic fields with flux densities as low as 0.3 mT (30 Gauss). It is available in a standard SOIC-8 package with a 0.4 mm pitch. The device is rated for use in temperatures ranging from -40 to 125 °C.

Conclusion:

The A1140EUA-T is an efficient and reliable magnetic sensor switch that is designed for use in a wide range of applications, including industrial automation and process control, robotics, security systems, automotive and train applications, medical devices, and consumer products. Its low-power and low-voltage requirements make it suitable for a variety of applications, and it can detect magnetic flux densities as low as 0.3 mT (30 Gauss). Its operating voltage range is 3 to 5.5 VDC and it is available in an SOIC-8 package with a 0.4 mm pitch. The device is rated for use in temperatures ranging from -40 to 125 °C.

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