HCPL-2411-300E

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Optoisolators are widely used in electronic designs to provide a safety isolation between parts of a circuit. The HCPL-2411-300E is a logic output optoisolator typically used for data communication between electronic systems with a large common-mode transient voltage protection upto 150Vrms. This optoisolator provides high immunity against mismatches, low input currents, fast switching response and low propagation delay.

The HCPL-2411-300E optoisolator offers a broad range of applications. It is well suited for applications involving data communications such as RS-485, RS-422, RS-232, and CAN Bus/LIN Bus. It is also ideal for many digital logic interface applications, data isolation signals and analog signals. Other applications such as isolated power signals, switching signals, signal isolation and waveform scalers can benefit from the use of this optoisolator.

The HCPL-2411-300E optoisolator has an effective optical/electrical isolation barrier of 5kV(peak) and a propagation delay of 8.0ns. This optoisolator also has a high-impedance input that is capable of accepting a wide range of signal levels without affecting signal integrity. The current transfer ratio of this device is 300-600% with a CTR variation of less than 10%.

The working principle of the optoisolator is based on the use of a light-emitting diode (LED) and a phototransistor (PTT). When electrical signals are applied to the LED, it emits light that is then modulated by the electrical signal. The emitted light is then detected by the PTT which converts it into an electrical signal. The output signal of the PTT is then buffered by a compatible interface or integrated circuit. The advantage of using an optoisolator is that it allows a high degree of isolation and noise reduction to prevent malfunctioning or damage to either part of the circuit.

The HCPL-2411-300E provides an excellent noise threshold for different transmission systems. It has an off-state leakage current of less than 10µA per channel and a high-sensitivity of more than 1.5mV/e-µA. Its signal-to-noise ratio is greater than 500:1. The HCPL-2411-300E has a power dissipation of 15.4mW and a LED forward voltage of 2V.

In summary, the HCPL-2411-300E optoisolator is an excellent device for providing a high level of signal integrity and isolation in data communication, digital logic interface, analog signal and other applications. It has a wide range of features such as a low propagation delay, low input current, high CTR, high noise resistance and a high signal-to-noise ratio that makes it ideal for a wide range of different applications.

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