ADUM6402CRWZ

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Digital isolators are a broad category of components used for the transmission of electrical signals in a variety of applications. ADUM6402CRWZ is one such digital isolator, and its application field and working principle will be explored in this article.

Digital isolators are used to transfer signals between two circuits without conduction paths between them. This is important when transferring high-voltage and sensitive signals as it prevents any accidental shorts between the two circuits and protects the sensitive signals from electromagnetic interference. ADUM6402CRWZ is a digital isolator that is specifically designed to address a wide range of applications with a cost-effective solution.

ADUM6402CRWZ features part-to-part isolation of 1725 V rms, signal-to-ground isolation of 5.2kV rms, and incorporated slew rate control system, making it ideal for high-voltage applications. It has a 5MHz maximum switching frequency and is capable of passing up to 200mA through its output channel. This makes it suitable for low-voltage, low-current applications such as RS-232, LVDS and CANbus.

In terms of its working principle, ADUM6402CRWZ is based on magneto-resistive technology. This utilizes magnetoresistive elements that store electrical energy as a magnetic field, which is then used by the isolator to relay signals across the isolated boundary. The magnetic fields generated by the MR elements pass signals between the primary and secondary side respectively, allowing signals to be passed without an electrical connection.

ADUM6402CRWZ also features a slew rate control system which allows it to pass signals more slowly than would be possible with a traditional digital isolator. This is particularly useful for noise-sensitive applications like LVDS and CANbus, as it prevents the sudden rise in voltage that can cause unnecessary noise.

Overall, the ADUM6402CRWZ is a digital isolator that is designed for particular applications with a cost-effective solution. Its wide range of features, such as the part-to-part isolation, signal-to-ground isolation and slew rate control system, make it suitable for high-voltage, low-voltage and low-current applications. It utilizes magneto-resistance technology in its working principle and storing electrical energy as a magnetic field to improve signal transmission.

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