GTN1A131

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The GTN1A131 is a magnetic sensor module designed for position, proximity, and speed applications. This compact module integrates a Hall effect sensor, signal conditioning circuitry, amplifier, power supply, and output signal selectively, making it a perfect solution for applications where a small footprint is required. It also offers high resolution measurement with a wide dynamic range.

Features

The GTN1A131 features a wide range of features which make it suitable for a variety of applications. The module has a wide dynamic range of up to ±20 gauss and is able to sense two different frequencies. It also offers a high resolution of up to 4 gauss to detect very small magnetic field changes. The module is also temperature compensated for best performance in a wide range of temperatures. Additionally, its surface mount design ensures easy installation and low height profile for further space saving.

Applications

The GTN1A131 module is a great choice for position, proximity and speed applications. Due to its wide dynamic range, it is perfect for sensing changes in proximity and position, such as in door open / close detection or distance measurement, and can also be used to control and monitor motor speed. Other applications include servo motor control, digital switching, solenoid positioning, and automotive electronic throttle control. Additionally, the GTN1A131 can also be used in industrial automation, medical instruments, smart sensors and wearables.

Working Principle

The GTN1A131 uses Hall effect sensing which works by measuring the differential between two magnetic fields. The module consists of two Hall elements that sense the field intensity and a signal conditioning circuit that amplifies the differential difference according to the ratio of the two elements. This is then passed through an amplifier to an output signal. The module also has temperature compensation circuitry which compensates for thermal shifts in the output signal, thus ensure accurate readings at a wide range of temperatures.

Conclusion

The GTN1A131 module is a great choice for position, proximity and speed applications due to its wide dynamic range, high resolution and easy to install surface mount design. With its integrated Hall effect sensor, signal conditioning circuitry, and power supply, it can be used in a variety of applications such as door open/close detection, distance measurement, motor speed control, digital switching, solenoid positioning, automotive electronic throttle control, industrial automation, medical instruments, smart sensors, and wearables.

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