6N138SDM

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The 6N138SDM optocoupler is a transistor output optocoupler device that offers exceptional electrical isolation between input and output, photocurrent transfer ratio (CTR) of up to 600%/mA, a 0.8 ns minimum rise/fall time, and a wide common mode rejection range (CMRR) of up to 100 kV/μs. This optocoupler is a very high performance device designed for applications with stringent electrical isolation requirements, such as communications, industrial, automotive, medical, and LAN equipment.

The way optocouplers like the 6N138SDM function is through the notion of field isolation, which is when a potential difference is placed between two terminals. As current is then transmitted through the optocoupler, the potential difference is maintained, creating an electrical barrier and providing high levels of electrical isolation between the two circuits.

In the case of the 6N138SDM, the device includes an infrared LED and a photodetector phototransistor integrated onto one IC package. The LED is used to transmit data as an electrical signal carries the current through it and is converted into a light signal at the photo detector site. The light signal is then detected by the phototransistor and converted into a voltage signal that can be used to control electronic circuits.

The 6N138SDM optocoupler is best suited for applications where electrical isolation is needed and data transmission rates are of utmost importance. The device is capable of transmitting data at very high speeds due to its high current transfer ration (CTR), small package size, and low drive current requirements. Furthermore, the device provides superior electrical noise immunity by providing excellent common mode rejection (CMRR) of up to 100 kV/μs.

The 6N138SDM device is a great option for use in a wide range of applications where reliable and fast electrical data transmission and thorough electrical isolation are needed. These include communication systems, industrial equipment, automotive systems, medical and LAN equipment. Furthermore, the device offers low power consumption, resulting in improved system efficiency.

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