SI8382PS-IU

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Digital isolators (DI) are becoming increasingly popular as a form of signal and electrical isolation technology to enable reliable, safe and efficient communication between electronic components. The SI8382PS-IU is a popular DI that is used in a variety of applications and market segments. In this article, we\'ll discuss the application field of the SI8382PS-IU as well as its working principle.

Application Field

The SI8382PS-IU is a popular DI used in many industries including automotive, industrial, consumer electronics, medical, and general purpose markets. It is specifically designed for isolated communication between a controller and a peripheral, and can be used for a variety of data transmission, including RS-232, RS-485, CAN, LIN, and Ethernet protocols. The device has two connection points – a primary and a secondary side – with signal and power provided separately on each side.

Some of the key features of the SI8382PS-IU include a wide operating voltage range of 6-24V, high isolation voltage of 4.5kV, fast switching speed of 0.5µs, low static power consumption of just 0.25W, and low propagation delay of 1µs. The device is also UL 1577 approved and has a wide operating temperature range of -40°C to 85°C, making it suitable for a variety of applications and operating environments.

Working Principle

The SI8382PS-IU is based on a transformer isolation Technology. It isolates nodes by separating the primary and secondary circuits with an isolation transformer, providing improved reliability and safety. Data signal is passed across the transformer, while power is supplied to the secondary circuit only.

The transformer isolation provides improved signal integrity, with the SI8382PS-IU working up to a frequency of 40MHz. The device also uses a hybrid construction, combining analog and digital circuits to achieve both superior performance and low power consumption. The analog circuits are designed to minimize noise, while the digital logic is optimized for high-speed operation.

The SI8382PS-IU also uses a digital coupling technique to guarantee low jitter and excellent signal integrity even in applications where noise levels are high. The device is also equipped with integrated ESD protection, ensuring it can meet the stringent requirements of even the harshest environments.

Conclusion

The SI8382PS-IU is a popular digital isolator that is used in a variety of industries and applications. It combines transformer isolation and hybrid construction with a digital coupling technique to provide superior signal integrity, fast switching speeds, low power consumption and excellent ESD protection. It is an ideal solution for those who need reliable and efficient electrical isolation between controller and peripheral components.

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