OPI1270-066

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Optoisolators, also known as optocouplers, are electronic components used for electrical isolation that provide protection from hazardous voltages, conversion between digital and analog signals and power regulation. Understanding the different types of optoisolators and their specific functionality is critical when selecting one for your application. The OPI1270-066 is an Optoisolators – Transistor, Photovoltaic Output. This device is mainly used for voltage regulation and signal transmission or conversion between digital and analog signals.

The OPI1270-066 is a 4-channel optional isolator equipped with an LED and a phototransistor. It is manufactured by Opto- Electronics, Inc. and can be used in a variety of applications, including data transmission, optical/electrical signal isolation, voltage regulation, current regulation, and signal conversion. The OPI1270-066 is composed of two high-speed, optically coupled phototransistors with an open-collector output, allowing it to be operated in either the forward-bias or reverse-bias mode. The active LED portion provides current limiting and current sinking for the phototransistor.

In terms of performance, the OPI1270-066 supports a supply current of 0.2mW. The transfer current is typically 0.6mA and has a rise time of 3µs. It has a low power dissipation rating of 160mW, a maximum isolation voltage of 5500Vrms, and a minimum insulation resistance of 1000Mohm. The operating temperature range is -55°C to 100°C and the channel-to-channel maximum direct current transfer ratio (DCTR) is 7000V/µs.

The OPI1270-066 is widely used for signal transmission, voltage regulation, current regulation, and signal conversion. It can be used in a variety of applications, including data transmission, failure detection, isolation, and protective switching. It is also used in medical, communications, automotive, and aerospace industries.

The OPI1270-066 uses an LED and a phototransistor to achieve electrical isolation. The LED emits light when a current is applied that is then detected by the phototransistor, which produces a corresponding current. This current is then regulated by the LED’s circuitry, allowing for precise control of the output current. This helps the device to isolate the input from the output, providing protection from hazardous voltages.

In addition, the OPI1270-066 can also be used for signal conversion between digital and analog signals. The optoisolator is connected to an A/D or D/A converter, allowing it to convert digital or analog signals. This is especially useful when the isolation protection offered by the optoisolator is required.

Overall, the OPI1270-066 is an ideal optoisolator – transistor, photovoltaic output for voltage regulation and signal transmission or conversion between digital and analog signals. It protects against hazardous voltages, offers precise control of output current, and helps with signal conversion.

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