HCPL-2211-300E

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Optoisolators are electronic components that provide electrical isolation between input and output elements. They are used to protect circuits from overvoltage caused by transient voltage spikes or lightning strikes. They also provide immunity against electrical noise from other circuit elements. The HCPL-2211-300E is a low-cost, low-power dual-channel Logic Output Optoisolator that operates from a single 5V supply. It provides a compact, robust solution to isolating and protecting logic circuits from external interference.

The HCPL-2211-300E consists of two independent optocouplers housed in a 5-pin DIP package. Each coupler consists of a light emitting diode (LED) that is optically coupled to a light-sensitive integrated circuit (IC) surge suppressor. The LED, when triggered by the input, emits light that is detected by the IC, creating an electrical output signal. The output signal is typically used to activate an electronic switch or other logic device.

The HCPL-2211-300E is designed to be used as an interface between digital logic signals and other devices such as analog converters, solid-state relays, or AC line powered circuits. It has a maximum data rate of up to 500 kHz and an isolation voltage rating of up to 3.75kVrms. Its wide 5V supply range makes it ideal for applications such as programmable logic controllers, automation systems, and every-day wearables.

The HCPL-2211-300E is designed with robust surge protection and high common mode transient immunity. It also includes an under-voltage lockout feature that prevents it from emitting light until proper power is applied, ensuring reliable operation. The device also has active low and active high logic outputs, which allow for flexibility in interfacing with different logic input levels. Its low propagation delay of less than 20ns also ensures its high-speed operation.

In summary, the HCPL-2211-300E is a versatile and cost-effective solution for isolating and protecting logic circuits from interference and transient voltages. It is well suited for a wide variety of applications, ranging from AC line powered circuits to programmable logic controllers to consumer electronics. With its robust surge protection, high common mode transient immunity, and fast response time, the HCPL-2211-300E is a great choice for any logic-output optoisolator application.

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