H11N2TM

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Optoisolators - Logic Output

H11N2TM is a trusted logic output optoisolator manufactured using a vertical cavity surface emitting laser (VCSEL) and proprietary photodiodes. It is designed to isolate digital circuits with a single channel opto-coupler. The active optical element is tuned responsively to allow the output signal to reach speeds up to 2.5Mhz. It is an ideal solution for applications requiring high common mode rejection and high operating temperature up to 100°C (212°F).

The device is offered in three differently pigmented packages such as 8-pin dual-in-line package (DIP), and several large-mil packages. Furthermore, it is provided in a variety of complete package formats such as DIP, Small Outline IC (SOIC), Flat Lead Faceplate (FLF), and Quad-Flat No-leads package (QFN).

One of the main advantages of H11N2TM is the ability to withstanding ambient noise and allow the digital circuits to operate at high speeds without the risks of emitted EMI radiation, so-called radiated emissions. In order to eliminate this type of radiation, the optoisolator is equipped with an extended metal shield surrounding its active optical element. This shield helps to reduce the impact of emissions that result from transient line conditions, radio waves, and other environmental noise.

H11N2TM comprises of two components-the LED and the photodiode. The LED is an optically efficient semiconductor that emits light in a monochromatic form, while the photodiode is used to detect the light emitted from the LED and convert it into a proportional current. The current produced by the photodiode is then converted into a proportional voltage which is used to drive the logic output.

The device features a high optical efficiency that helps to minimize the power consumed by the device. It is also integrated with protection circuits that prevent the device from being harmed due to surge, transient conditions, and over-current applications. Additionally, it is integrated with a thermal-protected ISO-PROM circuit that helps to ensure reliability against periodic and extreme environmental conditions.

H11N2TM is well-suited to various applications such as industrial automation, communication networks, telecom systems, medical devices, consumer electronics, robot control, and automotive systems. It is used in applications requiring very low sub-microsecond timing delays, such as input and output step timing control, time-division multiplexing systems, logic state transition, and LED flicker synchronization.

To conclude, optoisolators are an important component in high-speed, high-temperature applications, and H11N2TM is one of the most reliable and efficient devices for isolating digital circuits. It provides a very fast and reliable way to ensure a safe and noise-free operation while allowing the circuit to work optimally.

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