FOD617D

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Optoisolators (also known as optocouplers or photocouplers) are electronic components used to couple input and output signals that must be isolated from one another. They are commonly used in industrial, automotive, and medical applications to provide galvanic isolation between two circuits. The FOD617D is an optocoupler device from Avago Technologies that provides a high degree of isolation between its input and output signals in the form of an optical barrier.

The FOD617D optocoupler utilizes an infrared emitting small signal diode in conjunction with an NPN transistor to provide isolation. The FOD617D is a logic level optocoupler, meaning that both the input and output operate at the same voltage level. This optocoupler is a low-cost, low-profile component that is capable of operating in high temperature environments and has an isolation voltage rating of up to 4kV.

The FOD617D optocoupler is designed to transfer digital signals between two devices while maintaining electrical isolation. In terms of its operating principle, the diode acts as a light source which is activated by a logic input voltage. This light is then detected by a photodetector, which results in a corresponding transistor having its base driven to saturation. This saturation of the transistor generates a gain in the output voltage.

The key benefits of using the FOD617D optocoupler include its single-channel configuration, low-cost, and low profile design. In terms of its application areas, the optocoupler can be used for applications such as digital signal conditioning, circuit monitoring, motor control, and isolated communications. The optocoupler is also ideally suited for use in a variety of industrial and automotive applications, as it is designed to meet the stringent requirements for noise immunity and EMC (Electro Magnetic Compatibility).

In summary, the FOD617D optocoupler device from Avago Technologies is a single channel optocoupler designed to provide isolation between two input and output signals. The optocoupler utilizes an infrared emitting small signal diode and an NPN transistor to provide its optical barrier, and is best suited for use in digital signal conditioning, motor control, circuit monitoring, and isolated communications applications.

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