A1383ELHLX-T

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Magnetic sensors are typically used for measuring the three-dimensional magnitude and direction of a magnetic field. They are largely used in industrial applications and scientific research. A1383ELHLX-T is a magnetic sensor from Allegro which belongs to the category of linear, compass (ICs).

The A1383ELHLX-T is a three-dimensional magnetic rotary encoder. It is designed to detect the direction of rotation and the angular displacement of a permanent magnet embedded in a rotary machine. This encoder uses a high-resolution magnetoresistive technology to sense the direction and strength of the magnet. The sensing element is based on the use of a Wheatstone bridge circuit which is connected to a bipolar Hall circuit or a PNP differential amplifier.

The A1383ELHLX-T provides a linear output in two axes in a single-axis rotation format. The output is proportional to the angle of rotation of the permanent magnet. The device offers a built-in self-calibration function to eliminate non-linearity error associated with the drift caused by temperature variation. It is capable of reaching an accuracy of 0.5°.

The A1383ELHLX-T offers the ultimate flexibility, making it the ideal choice for applications that require high accuracy and a low power consumption. Its most common applications include motor control, drive-by-wire systems, robotics, automotive electronics, and gaming controllers.

The working principle of the A1383ELHLX-T is based on a Wheatstone bridge circuit. When a magnetic field passes through the sensor, the resistance of the bridge circuit changes due to the Hall effect. This change in resistance is then read as an analog voltage which is proportional to the angle and intensity of the magnetic field. The Rshunt resistor is used to create a zero-field calibration. This ensures that the zero-position of the sensor is always the same.

The A1383ELHLX-T is capable of handling an operational range of -4.5 to +4.5 V with an operating temperature range of -55 to +125 ˚C. It has a total of three outputs which are current-sourced for greater flexibility. The device is packaged in a 4.0 mm × 3.0 mm package and is suitable for a wide variety of industrial and automotive applications.

In conclusion, the A1383ELHLX-T is a three-dimensional magnetic rotary encoder which is designed to detect the angle and direction of rotation of a permanent magnet. Its built-in self-calibration function allows for accurate measurements and low power consumption. The device is suitable for motor control, drive-by-wire systems, robotics, automotive electronics, and gaming controllers, among other applications.

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