SI8655BA-B-IUR

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Digital isolators are used to electrically isolate two circuits while allowing them to communicate. These isolators are available in a variety of packages and forms, including opto-isolator, transformer, and high-speed isolation links. The SI8655BA-B-IUR is one such digital isolator, which is a unique device designed for transmission of data and other information across isolation barriers.

Applications

The SI8655BA-B-IUR is primarily used in industrial and automotive applications that require high speed communication. It features an isolated universal serial interface (IUS) as well as a galvanically isolated signal isolator (ISI), which provides up to 10 Mbps of data transfer rate. This device can be used in applications such as factory automation, programmable logic controllers, server/controller communications, medical equipment, and remote diagnostics.

The SI8655BA-B-IUR can also be used in motor controllers that require a robust and reliable signal isolation link. It is ideal for use in automotive applications where an isolated system must be able to withstand high voltage and temperatures. Additionally, it is also used in a variety of aerospace, train, and vessel applications.

Features

The SI8655BA-B-IUR offers a number of important features that make it suitable for many applications. Its galvanically isolated signal isolator (ISI) allows for fast and reliable data transmission with up to 10 Mbps of data rate. The device also features 0.6 ns of propagation delay, which is considerably faster than other isolation links. Additionally, it offers an integrated current source for open-loop power and integrated loop isolation, which eliminates the need for an external choke in order to achieve optimal signal integrity.

The SI8655BA-B-IUR also offers a wide working temperature range of -40°C to +140°C, while its built-in temperature sensor ensures reliability and accuracy. The device is also designed to support power supply voltages of 3.3V, 5V, 6V, 9V, 12V and 15V. Furthermore, it offers a low-noise differential input and output impedance, which minimizes ground bounce and other noise sources.

Working Principle

The SI8655BA-B-IUR is a galvanically isolated signal isolator that works by transmitting signals across a barrier of insulation. It uses a special set of components called transformers to convert one voltage or current into another that can be used as an information-carrying signal. The device achieves electrical isolation by using an electrical field to separate the two circuits. As the output circuit is not connected to the input circuit, it cannot be affected by any noise or disturbances on the input circuit.

The SI8655BA-B-IUR can also be used in multi-signal isolation applications, where multiple input signals are converted into multiple output signals. This is achieved by using a multi-channel analog or digital switch, which distributes the desired signal among the channels. The device is also able to detect any shorts in the system and shut itself down when a short occurs.

Conclusion

The SI8655BA-B-IUR is a digital isolator that provides fast and reliable signal transmission with up to 10 Mbps of data rate. It features an isolated universal serial interface (IUS) and a galvanically isolated signal isolator (ISI), which offers 0.6 ns of propagation delay. The device is suitable for use in many applications, including factory automation, medical equipment, motor controllers, and aerospace applications. Additionally, the SI8655BA-B-IUR offers an integrated current source and temperature sensor, as well as a wide operating temperature range. All of these features make the device suitable for high-speed transfers of data and other information across isolation barriers.

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