ADUM1401WSRWZ53-RL

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Digital Isolators

Digital isolators, also known as data isolators, are designed to isolate two or more circuits from each other, while still exchanging digital data between them. Isolated signals provide protection from interference and help reduce errors and system noise, resulting in reliable and accurate data transmission.

ADUM1401WSRWZ53-RL Application Field and Working Principle

The ADUM1401WSRWZ53-RL digital isolator is a single-channel isolator with a 3 kV working voltage, which is used to prevent the transmission of high-voltage or current interference from one circuit to another. It is mainly used in digital communication systems in industrial automation, power, and medical applications.

This digital isolator is based on Analog Devices’ patented iCoupler® technology. It uses two isolated chips, interconnected by the amount of data between them through magnetically-coupled microtransformers. The magnetic isolation between the two chips is due to the limitation of zero-power transfer. This mechanism allows voltage signals to be transferred without direct electrical connection between the two sides, ensuring the necessary isolation requirements between multiple circuits.

The ADUM1401WSRWZ53-RL digital isolator ensures reliable communication between two systems with a minimum propagation delay of 5.5ns. The data rate supported by this device is 5 Mb/s, which can be adjusted by an oscillator, making it highly flexible for many applications. It also allows for a wide range of operating temperatures from -40°C to +85°C, making it ideal for industrial-level applications.

The ADUM1401WSRWZ53-RL digital isolator is highly stable, with a power supply rejection ratio of 95dB, an output voltage of 55Vpp, and a rise time of 15ns. It offers superior protection from interference and high-voltage noise through its built-in 3 kV surge protection. It also features an overvoltage protection mechanism, which keeps the device stable by automatically disconnecting the supply from the secondary side when the applied voltage reaches 13.5V or higher.

In summary, the ADUM1401WSRWZ53-RL digital isolator is an efficient and reliable device for digital communication systems, ensuring accurate and reliable data transmission by protecting against interference and system noise. Its wide range of features makes it ideal for industrial-level applications, and its fast propagation speed ensures high-speed data transfer even in harsh industrial environments.

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