HCPL-7721#360

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Optoisolators – Logic Output is an electrical device that uses a light-emitting diode (LED) and an optically sensitive phototransistor to electrically isolate a low voltage circuit from a higher voltage circuit. One of the widely used products in this range is Sharp’s HCPL-7721#360. This device provides an attractive industrial grade design that is highly reliable and can be operated in a broad range of temperature levels. Moreover, it is also preferred for its excellent isolation characteristics and its capability to handle high surge currents. It is mainly used in three distinct industrial applications: industrial automation and control, automotive and rail systems, and process control.

The HCPL-7721#360 is a logic output optoisolator, meaning it can be used to transfer digital data from one circuit to another without electrical interaction. It consists of a 350 mW LED that is optically coupled to a bi-directionally transmitting and receiving high speed, low current 2-ch CMOS transistor. This allows data to be transferred at high speed and with minimal power consumption. The device is designed to function over the standard industrial temperature range of -40°C to +125°C.

The working principle of the HCPL-7721#360 is based on the principles of optical coupling. The design of this device consists of a light-emitting diode (LED) and a phototransistor. The LED emits light when energized. This light is then detected by the phototransistor, which acts as a detector and activates the output stage of the device. This mechanism transmits information from the input circuit to the output circuit without any electrical contact between the two. This allows signals to be transmitted over long distances with minimal power consumption and with little or no degradation of signal quality.

The HCPL-7721#360 is ideal for a wide range of applications, such as industrial automation and control, automotive and rail systems, and process control. In industrial automation and control systems, this device provides isolation between low voltage inputs and higher voltage outputs, which reduces the risk of damage to the control system. In automotive and rail systems, the device can be used to provide isolation of the primary and secondary electrical systems, ensuring one system remains isolated from the other. Finally, in process control systems, the device can be used to monitor and control high voltage output devices, such as motor starters.

In conclusion, the HCPL-7721#360 is a logic output optoisolator that has a wide range of applications in several distinct industries. It has excellent isolated characteristics and is capable of handling high surge currents. It is a simple, reliable, and cost-effective device that provides fast data transfer with minimal power consumption and little or no signal degradation.

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