A1389LUATN-9-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Technology:	Hall Effect
Axis:	Single
Output Type:	Analog Voltage
Sensing Range:	--
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Supply (Max):	11.5mA
Current - Output (Max):	10mA
Resolution:	--
Bandwidth:	20kHz
Operating Temperature:	-40°C ~ 150°C (TA)
Features:	Temperature Compensated
Package / Case:	3-SSIP
Supplier Device Package:	3-SIP

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A1389LUATN-9-T Application Field and Working Principle

The A1389LUATN-9-T is a magnetic field sensor designed by Allegro MicroSystems. It is part of a comprehensive family of digital Hall-effect field sensing ICs, optimized for easy integration into circuit designs that require precise location of linear compass points. This document explores the application field of the A1389LUATN-9-T, as well as its working principle.

Application Field of A1389LUATN-9-T

The A1389LUATN-9-T is most often used for precise location of linear compass points within a circuit design. Despite its small size and modest power consumption, this sensor is able to accurately determine the absolute angle of a permanent magnet within a wide range of field strengths. Because of its small size, the A1389LUATN-9-T is extremely versatile. It is suitable for use in many applications, including automotive, industrial, medical, and consumer applications. Its applications in these industries are varied: in automotive, it is used to detect the engine angle relative to the drivetrain; in industrial applications, it is used to measure motor position in small motors and servo motors; in medical applications, the sensor is used to measure medical-imaging data; and in consumer applications, the A1389LUATN-9-T is used in remote controls, gaming consoles, and a variety of consumer electronics devices.

Working Principle of A1389LUATN-9-T

The A1389LUATN-9-T operates on a magneto-resistive principle. In magneto-resistive sensing, the Hall effect is used to detect changes in a magnetic field. When a magnetic field is applied to a semiconductor material, the evenly-distributed charge carriers within the material become unbalanced. This results in a net voltage being generated within the material, which can then be measured by an electronic device. In the A1389LUATN-9-T this effect is used to measure the intensity of a magnetic field and thus determine the absolute angle of a permanent magnet. The A1389LUATN-9-T is designed for use in a variety of operating conditions. It is able to accurately detect the angle of a permanent magnet within a wide range of field strengths of up to ±200Gauss. It is also able to work in temperatures of -40°C to +140°C. The A1389LUATN-9-T also has an output of linear signal proportional to the applied field. This allows for easy integration into a number of applications. The output is also equipped with a variety of protection features, such as thermal overload protection, to ensure that the device is protected against damage in the event of an overload.

Conclusion

The A1389LUATN-9-T is an excellent choice for applications that require precise location of linear compass points. It is small, low power, and extremely versatile. It is capable of accurately measuring magnetic fields up to ±200Gauss, in temperatures of -40°C to +140°C, and its output is proportional to the applied field. For these reasons, it is an excellent choice for a wide variety of applications.

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