FOD0708

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Optoisolators are a type of electrical component used to isolate power and data signals between two circuits. The FOD0708 is a Logic Output optoisolator, which is designed for use in digital logic and other low voltage applications. This article explains how the FOD0708 works and the different applications in which it can be used.

Overview of the FOD0708

The FOD0708 is an optoisolator with an opto device and an integrated driver for sink current applications. It contains a 6-pin Dual-in-Line (DIL) package, a gallium arsenide infrared emitter (IRED) and an open collector transistor output. The package includes an LED monitor that allows the user to view the status of the device in operation. It also features an isolation voltage of 5,000 volts between the input and the output.

The FOD0708 is available in 14-pin SOIC packages. It has a maximum forward current rating of 5 mA and a peak forward current peak of 20 mA. The maximum reverse voltage of the device is 5 volts and its operating temperature range is -40 degrees Celsius to +85 degrees Celsius. The power supply voltage should be within the range of 4.5 to 5.5 volts. The average leakage current of the device should be less than 20 microamperes.

Working Principle

The working principle of the FOD0708 is quite simple. When the device receives a signal, the infrared LED inside emits light, which is then detected by an electronic transistor inside the package. This electronic transistor then conducts current and switches on its output transistor, completing the circuit. When the input signal stops, the LED stops emitting light and the transistor inside switches off again.

The FOD0708 is specially designed for use in digital electronics and logic applications, such as logic level shifters, signal isolation and power management. It is commonly used in circuit diagrams alongside other optoisolators, such as the 4N35, 4N36 and 4N37.

Applications

The FOD0708 is an ideal device for use in a wide variety of digital logic and low voltage applications. It can be used as a logic level shifter to convert between low and high voltage signals. For instance, it can be used to shift signals between 0.7V and 5V. It can also be used as a signal isolator, which allows data signals to be isolated from power or other signals.

The FOD0708 has a number of other applications as well. It can be used in power management applications, such as the switching on and off of systems or other peripherals. It can also be used in the protection of sensitive electronics from overvoltage conditions. Moreover, it can be used for data transmission over short distances. The device is also employed in the implementation of process control systems, including industrial automation systems.

Conclusion

The FOD0708 Logic Output optoisolator is a versatile and reliable device suitable for use in a wide variety of digital logic and low voltage applications. It can be used for logic level shifting, signal isolation and power management, among other applications. It is a relatively inexpensive device, making it an attractive option for many users.

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