FODM8061

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Optoisolators are devices that utilize optical signals to transfer isolated signals from a source to a load or vice versa. FODM8061 is such an optoisolator designed specifically for logic outputs. It has a wide variety of applications, with its working principle explained in this article.

Applications

FODM8061 can be used in systems ranging from industrial machines to medical lab equipment, with its primary application being Logic Input/Output (I/O). This means that the optoisolator can be used to protect low power digital I/O lines from high voltage and current spikes. It can be also used to avoidEMI radiation or to isolate a malfunctioning line from the rest of the system. FODM8061 also has applications in circuits that need to detect small signals (e.g. current or voltage changes) and convert them into isolated digital outputs. This is an important feature for remote systems where it is difficult to get a signal to a distant location.

Working Principle

The working principle behind FODM8061 is based on the principle of optical coupling. An LED (Light Emitting Diode) is used as an input, which, when energized, emits light. The light then passes through an isolating material, such as a plastic, which forms an “optical barrier” and prevents any electrons or other elements from passing through. At the other end, a phototransistor is used to detect the light produced by the LED, and the electrical signal is transferred across the isolated barrier. The phototransistor then converts this electrical signal into a digital output.

The FODM8061 has a wide input voltage range, from 4V to 15V, making it suitable for a variety of applications. It also has a high isolation voltage of 2,500Vrms, which provides the necessary protection against high voltage spikes. Additionally, the optoisolator has an isolation resistance of up to 10 G ohms, which prevents the occurrence of short circuits in the system. Furthermore, the device has a fast response time of 10μs, ensuring that the output signal is as fast as possible.

Conclusion

FODM8061 is a versatile optoisolator that can be used in a variety of logict input/output applications. Its working principle is based on the principle of optical coupling which uses an LED and phototransistor to transfer electrical signals across an isolated barrier. The device has a wide input voltage range, high isolation voltage, high isolation resistance, and a fast response time, making it suitable for a variety of applications.

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