HCPL-261A#500

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Optoisolators - Logic Output are crucial tools in Isolation, LED, and Optical Couplers, providing an isolated barrier between input signal and output signal and preventing unintentional feedback or electrical interference. We will focus on HCPL-261A#500 which belongs to the Optoisolators - Logic Output family in this article.

HCPL-261A#500 Configuration: This optoisolator relay consist of an LED and receiver OPTOIC coupled on a single chip. The LED emitter is loaded with a forward current from a resistor of up to 8mA to get maximum conformability. The receiver is a differential amplifier being self biased, using phototransistor and a built-in detector. The HCPL-261A#500 has a control input beneath the space between the LED and receiver circuitry.

Applications: Because of the optoisolator’s interface-isolation, HCPL-261A#500 is an ideal choice of Logic Output for a wide range of applications from industrial automation, measuring system to consumer electronics. There are several advantages of this optoisolator, such as low cost, noise immunity, and protection from hazardous voltages. Additionally, it is easy to mount.

Working principle: The working principle of the HCPL-261A#500 is relatively simple. The input signal is delivered to the LED that is powered by the resistor to the chip. The LED produces 2 beams of light which act as a photoelectric bridge to the signal to the receiver. Once the receiver receives the signal, it produces the output signal to the load circuit.

Benefits: By using HCPL-261A#500, many benefits are introduced in the areas of output signal quality, safety, heat dissipation, and performance. As electrical isolation is present between the input signal and output signal, the signal quality of output is guaranteed. It also prevents any unexpected current flows from one circuit to the other that might pose as a potential hazard.

HCPL-261A#500 series are suitable for a wide range of applications in industries such as factory automation, test and measurement, consumer electronics, and home appliances, as the cost of this optoisolator is relatively low. The LED emitter is easy to be loaded with a forward current from a resistor up to 8mA for maximum compatibility. The receiver is a differential amplifier self-biased and built-in detector. The isolator allows total noise immunity with a fast turn-on/off response.

Overall, HCPL-261A#500, an optoisolator in the Logic Output family, is capable of providing isolation, protection, and noise immunity. It is suitable for a wide range of applications due to its low cost and easy mounting. This optoisolator has the ability to provide electrical isolation between the input signal and output signal. The HCPL-261A#500 consists of an LED and receiver, generating a photoelectric bridge for the signal. It benefits from increased signal quality and safety.

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