SS49E-F

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The SS49E-F is an economical miniature linear Hall-effect device (HED) manufactured by AMS (Austria Microsystems). It operates on a 3-5V supply voltage and offers a lockout voltage of 5V and a linear output with a bipolar response to an applied magnetic field. The SS49E-F is a single chip solution for smoke detectors, non-contact switches, and current sensing applications. It features a high immunity to interference in noisy environments and can achieve a resolution of 1mV/Gauss in one-axis and 2mV/Gauss in dual-axis applications.

The SS49E-F is well-suited for applications such as motor control, motion detection, and dead-reckoning navigation systems. It features an operating temperature range from -40°C to +125°C and a storage temperature range from -65°C to +150°C. It can be used for all types of linear Hall-effect sensor applications such as contactless switching, power control, non-contact vibration detection, and uninterruptible power supplies.

Due to the low sensor power consumption of the SS49E-F, it provides excellent design flexibility for engineers who need a low power yet reliable solution for their application. In addition, the device has a low offset voltage at 25mV and can detect a wide range of magnetic field intensities of up to +/- 2.0Gauss. The SS49E-F also features a 40kHz frequency range for 3.5V – 5V operation.

The SS49E-F\'s magnetic field sensing works on the principle of a Hall effect. When a magnetic field is applied to the two Hall plates (north and south poles), an electric current is generated which is responsible for generating a voltage difference. This voltage difference is proportional to the magnetic field intensity. The SS49E-F uses this principle to sense the presence or absence of a magnetic field and produces a voltage output depending on the magnetic field intensity.

The SS49E-F\'s sensing signal is amplified and then filtered, and the device produces an analog voltage output. This output can be used as an input to an A/D or D/A converter, as well as for magnetic angle and tilt detection. The output can also be used for motor commutation. The device is capable of detecting both single direction and quadrature encoder signals, as well as for digital sensing applications.

The SS49E-F is a versatile and cost-effective solution for magnetic sensing and linear Hall effect applications. It is the perfect choice for any application where a reliable and low power solution is needed. Its wide operating temperature range and low offset voltage make it ideal for smoke detectors, non-contact switches, current sensing, and motor control applications.

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