A3280LLTTR-T

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Magnetic Sensors - Switches (Solid State)

A3280LLTTR-T is a linear Hall switch and a member of Allegro Microsystems\' programmable linear Hall-effect sensor IC family. It operates over a wide magnetic field input range of 1.12 mT to 5,802 mT, and offers 4.5 mA to 13.5 mA output. The A3280LLTTR-T is designed as a simple, reliable, and low-cost Hall-effect sensor with two digital outputs. It is suitable for AC and DC supply voltages ranging from 2.7 V to 13.2 V.

Thanks to its high sensitivity and robustness, A3280LLTTR-T is a perfect solution for a variety of applications such as fan speed sensing, motor control, door and window position sensing, motion sensing, and several other industrial applications. It is particularly suitable for position and proximity sensing in industrial and automotive control systems, and as a replacement for mechanical switches.

A3280LLTTR-T Application Fields

A3280LLTTR-T can be used for a wide variety of industrial and commercial applications, such as:

• Fan speed sensing
• Motor control systems
• Machine control
• Current programming
• Door and window position sensing
• Motion sensing
• Robotics
• Security systems
• Medical electronics
• Industrial automation
• Automotive applications

The A3280LLTTR-T is particularly suitable for multiple switch position sensing in industrial and automotive control systems. It can also be used as a direct replacement for mechanical switches.

A3280LLTTR-T Working Principle

A3280LLTTR-T is a Hall-effect device, which means that it works on the principle of the Hall effect. The Hall effect is a phenomenon caused by an electric field perpendicular to a magnetic field, which is produced by electric current flow through a conductor. When a magnetic field is applied perpendicular to the electric field, the electrons in the conductor create a small electrical current, which is the Hall effect.

A3280LLTTR-T utilizes this principle to sense the presence or lack of a magnetic field. When a magnetic field is present, the A3280LLTTR-T senses the field and switches its outputs ON. When the magnetic field is removed, the switch automatically switches its outputs OFF. This switching action is highly reliable and repeatable over a wide range of temperatures and operating conditions.

A3280LLTTR-T is a highly reliable, simple, and low-cost Hall-effect switch. It is suitable for an extensive range of automotive, industrial, and consumer applications where reliable magnetic sensing is required. Thanks to its sensitivity, robustness and low-power consumption, A3280LLTTR-T is a perfect choice for cost effective and reliable sensing.

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