OPIA814ATRA Isolators

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Optoisolators - Transistor, Photovoltaic Output, such as the OPIA814ATRA, provide complete galvanic isolation between separate circuits. It does this by using an optical link to isolate the circuits electrically. Isolation can be used to provide protection in demanding, high-voltage applications, or to prevent ground loops, improve noise immunity, or to prevent electrical surges from passing between circuits. This article will provide an overview of the OPIA814ATRA’s operation and its applications.

The OPIA814ATRA includes an infrared light emitting diode (LED) and a photovoltaic output transistor. The LED is powered by an input voltage, typically 5 to 12 volts, and when illuminated it produces infrared light in the form of photons. This light is then detected by the photovoltaic output transistor, which is connected to an output circuit. The output transistor amplifies and switches the voltage in the output circuit, which can provide output voltages up to 36 volts.

The OPIA814ATRA’s galvanic isolation is provided by the optical link between the input and output circuits. This ensures that signals, power, or voltage cannot pass between the two circuits through electric conduction. This means that the two circuits are completely isolated from each other, eliminating any possibility of interference. The optical link also means that the OPIA814ATRA is highly reliable, with a long lifetime and low sensitivity to shock and vibration.

The OPIA814ATRA’s wide range of input voltages and output voltages makes it ideal for a variety of applications, such as driving low power loads, industrial control systems, medical equipment, or measurement and control systems. It can also be used to provide power conversion in AC/DC, DC/DC, and DC/AC systems. In addition, the OPIA814ATRA can be used to provide isolation between different electrical systems, such as those used in industrial process control and telecommunications.

The OPIA814ATRA is a reliable, robust, and low cost opto-isolator for a variety of isolation and power conversion applications. Its optical link provides complete galvanic isolation between circuits, ensuring that signals, power, or voltage cannot pass between the two circuits through electric conduction. Its wide range of input voltages and output voltages make it ideal for a variety of applications, including industrial control, medical equipment, telecommunications and measurement and control systems. As such, the OPIA814ATRA is well-suited for a broad range of applications.

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