SS49

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Linear and compass magnetic sensors, or SS49-type sensors, are essential components in small, electronic systems such as Global Positioning System (GPS) receivers, electro-magnetic circuitry, automotive positioning systems, and a variety of navigation systems. The SS49 series of magnetic sensors detect two-dimensional magnetic fields and produce an output signal that provides an indication of the direction of the field.

Operation

The SS49 magnetic sensors use the Hall effect to measure the strength of the magnetic field. The Hall effect is a phenomenon in which a voltage is induced in the presence of a magnetic field in a conductor. The linear Hall device consists of a rectangular-shaped sensing element that is placed in a metal housing. The lead wires from the device are connected to the sensing element. When a magnetic field is applied to the sensing element, the voltage on the lead wires increases as the magnetic field increases, thereby providing an indication of the direction and strength of the field.

The compass Hall sensor is a two-dimensional device that can sense both a North/South and East/West magnetic field. The compass Hall sensor is composed of two sensing elements that are positioned at right angles to each other. When a magnetic field is applied to the sensing element, the voltage on the lead wires increases as the magnetic field increases, providing an indication of the direction of the field.

Features

The SS49 series of magnetic sensors offer a number of features that make them attractive solutions for a variety of navigation systems. These features include low power consumption, excellent linearity, low hysteresis, and wide dynamic range. Additionally, the sensors provide an accuracy of typically 0.2° to 0.5°, enabling them to accurately identify the direction of the magnetic field. The sensors also offer a high resolution and are capable of detecting fields as low as 0.1mG.

Applications

The SS49 series of magnetic sensors are used in a wide range of applications that require accurate direction detection. Typical applications include automotive navigation systems, surveying equipment, and industrial and medical equipment. The sensors can also be used in unmanned aerial vehicles (UAVs) and surveillance systems. Additionally, the SS49 series of magnetic sensors can be used in robotic and instrumental navigation systems, self-locating aircraft guidance systems, biometrics, and navigation systems.

Conclusion

The SS49 series of magnetic sensors offer a reliable and accurate detection of two-dimensional magnetic fields. The sensors offer a number of features that make them ideal solutions for applications ranging from automotive navigation systems to UAVs. With their low power consumption, linearity, low hysteresis, and wide dynamic range, the SS49 series of magnetic sensors provide the accuracy and resolution needed for a variety of navigation applications.

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