ADUM1446ARSZ-RL7

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Digital isolators are a type of semiconductor device used to electrically isolate two isolated sections of a circuit while allowing data and/or power to pass between them without a physical connection. The ADUM1446ARSZ-RL7 is a new type of digital isolator from Analog Devices which provides protection against extreme temperatures and high EMI environments.

The ADUM1446ARSZ-RL7 is a highly integrated digital isolator that combines galvanic isolation, overvoltage protection, ESD protection, and data communication in a single IC. It offers advanced features such as 4× ESD protection on the isolation line, wide temperature range from -40°C to +105°C, high EMI immunity, fast rise time, low power consumption, and long lifetime, making it ideal for demanding applications.

The ADUM1446ARSZ-RL7 is designed for applications such as medical equipment, automation control, industrial interfaces, automotive systems, and consumer electronics. It provides data transmission and power isolation between two isolated devices, while reducing the amount of external components required for isolation. The isolator also helps to protect the devices connected to either side from electrical, thermal, and magnetic stresses, while ensuring signal fidelity and low power consumption.

The working principle of the ADUM1446ARSZ-RL7 is based on the high-speed transformer technology, which uses an integrated transformer to isolate the two sides of the device. The signal is translated from a voltage current on one side to a voltage current on the other side, while maintaining the desired signal fidelity and DC level. The integrated transformer is paired with adaptive filters which helps to reduce common mode noise, ensuring good communication performance. In addition, the isolator has 4× ESD protection, which eliminates the need for external components for protection against electrostatic discharges.

The ADUM1446ARSZ-RL7 is a powerful digital isolator that is designed to provide reliable data transfer and power isolation in extreme EMI and temperature environments. Its flexible operating range and integrated features provide an ideal solution for many applications where high levels of data transmission accuracy and isolation are required.

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