ACPL-5700L-200

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Optoisolators, also known as optical isolators, provide an efficient method of reducing voltage stress and eliminating noise in electrical circuits, while isolating sections of a circuit from each other. Transistor, photovoltaic output optoisolators, such as the ACPL-5700L-200, are used to achieve this, allowing control of electrical current flow while providing physical and galvanic isolation between the input and output sides of the device.

The ACPL-5700L-200 optoisolator is packaged in a 4-pin DIP package and contains an AlGaAs infrared LED and NPN output transistor drive, connected to the output by two optically coupled isolator chip sets. The device operates with a supply voltage of 5.0 V, exhibiting an on-state saturation voltage of 300 mV and an off-state leakage current of 10 nA maximum. The chip offers a wide range of benefits for applications requiring electrical isolation, such as power supplies or motor control circuits. The high speed switching of the device enables noise reduction and the ability to switch quickly between low and high output states.

The working principle of the ACPL-5700L-200 optoisolator can be divided into two separate stages. First, the input side of the device consists of an infrared LED that emits infrared light when the current flows through it. This light is then transmitted across the gap to the output side, which consists of a photodiode and a driving circuit. The photodiode detects the infrared light and generates a small current, which is amplified by the driving circuit and directed to the output transistor. The resulting output current is proportional to the input current. This process creates a low-impedance coupling between the input and output sides, which provides electrical isolation between the two sides while allowing for a controlled current flow.

The ACPL-5700L-200 optoisolator can be used in a wide variety of applications, but is particularly suited for motor control circuits, solenoid valves, process control systems, and AC/DC power supplies. The device offers high-performance, cost-effective isolation, and can simplify system design and save space in tight spaces. The high speed switching of the device reduces noise and allows for fast switching between low and high output states and provides consistent output performance. In addition, the extended operating temperature range of -40 to +85°C makes it an ideal choice for harsh environment applications.

In summary, the ACPL-5700L-200 optoisolator is a robust and reliable device that offers superior performance and reliability in applications requiring electrical isolation. The device includes an infrared LED and NPN output transistor drive, and offers a wide range of benefits that make it an ideal choice for a variety of applications. The device offers high-performance opto-isolation and provides extended operating temperature range, fast switching between low and high output states, and noise reduction. With its wide operational range, high speed switching, and long service life, the ACPL-5700L-200 optoisolator is a great addition to any circuit.

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