OPI1264C Isolators

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Optoisolators are electronic devices designed to protect high-precision circuits from fault currents or other sources of electrical noise. Depending on the type of device, the isolation can be electrical or optical. For the purpose of this article we will focus on devices that provide electrical isolation, namely the OPI1264C transistor photovoltaic output optoisolator.

The OPI1264C optoisolator has a wide range of applications where electrical isolation is required. It is often used in communication systems, such as telephone systems, to isolate one circuit from another. This enables the transmission of data signals without the need for wiring between components. It is also used in industrial applications to isolate AC or DC circuits from each other to help protect the integrity of the system.

The OPI1264C is also ideal for use in medical systems, such as those used in the operating room. The isolation of a digital signal from the high voltage power supplies being used can increase the safety of the system, while still enabling the data transmission necessary to operate the equipment. This device is also used in industrial manufacturing processes such as testing, where the isolation of signals is needed to eliminate the risk of electrical shock.

The OPI1264C optoisolator is a 6-pin device with a collector, emitter and base connected to each other. It uses a photovoltaic effect to transfer an input signal from the base to the collector. This process is initiated by the input voltage being applied to the base, generating a small current in the base circuit. When this current reaches a certain level, it is converted into a light signal which is then sent to the optoisolator\'s photo receptor.

The photovoltaic effect of the OPI1264C optoisolator then produces a voltage on the collector, which is proportional to the intensity of the light signal. This voltage is then used to drive current through the external circuit. Thus, a higher input voltage at the base will result in a larger collector voltage.

In summary, the OPI1264C optoisolator provides galvanic isolation between two electrical circuits. It is typically used when the input signals are sensitive to noise and must be shielded from high-voltage or ground potential sources. The optoisolator is a simple device which can provide reliable electrical isolation in a wide range of industrial, communication and medical systems.

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