ISO7760DBQR Isolators

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Digital isolators are used in electrical systems to create a barrier between two circuits, isolating them electrically and protecting the system from damage due to electrical surges or faulty operation. The ISO7760DBQR application field and working principle is a typical example of the technology.

ISO7760DBQR isolators use digital isolation to protect digital equipment from the hazards of ESD (electrostatic discharge) and ground current loops. The isolator uses a dual-bus, two-way communication system to send and receive logic signals from one side to the other without any outside interference. The power bus is isolated from the data bus using a custom-made digital isolator, while the data buses are connected using anRS-485 system. The double isolation creates an electrical barrier between the power and data buses, preventing ESD-induced voltage transients from affecting the power bus, while also allowing the two buses to exchange data without interference from outside sources.

The working principle of the isolator is based on the principle of introducing a very small capacitance between the high and low voltage circuits. This capacitance creates a current leak in the path between the two circuits. As the capacitance increases, more current leaks through and the voltage drop in the isolation is reduced. The result is that the voltage in the high voltage circuit is brought down to the level of the low voltage circuit, protecting the system from electrical surges and faulty operation.

The ISO7760DBQR isolator is designed to operate in extreme temperature environments, ranging from -40 degrees Celsius to +85 degrees Celsius, with high reliability in harsh environments. It is also designed to allow for easy integration into existing systems and to provide a high level of protection against ESD and ground current loops.

The main application field for the ISO7760DBQR is digital signal processing applications, such as communications, automotive systems, medical equipment, industrial automation, and more. It is also used in control systems, and in robotic and embedded systems. It is highly suitable for use in systems that need to transfer data between two different systems without interference from outside sources.

In summary, the ISO7760DBQR application field and working principle is a unique digital isolator technology designed to protect digital systems from the hazards of ESD and ground current loops. It offers a high level of reliability and is suitable for extreme temperature environments, as well as for use in digital signal processing, control systems, and robotic and embedded systems.

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