ADUM6404ARWZ-RL

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Digital isolators are components widely used to provide electrical isolations between two electrical circuits while allowing them to exchange digital and/or analog signals. For this purpose, they leverage technologies such as galvanic isolation, optical isolation, and capacitive coupling to provide isolation and prevent interference between different circuits.

The ADUM6404ARWZ-RL is a digital isolator specifically designed to isolate two channels and provide regulated communications between different sensitive electrical systems. It leverages iCoupler technology in order to provide complete electrical isolation between the two channels. This device features galvanic isolation, integrated amplifier, and transformer-based drive, which helps to protect both channels from EMC disturbances and high common-mode voltages. Furthermore, it features primary and secondary sides with similar signal characteristics, low-cost construction, and an impressive operating temperature range.

To understand the ADUM6404ARWZ-RL application field and working principle, it is important to focus on its features. The primary side of the device has two CMOS drivers, one transmit (TXD) and one receive (RXD), that can be configured for either data transmission or reception. On the other side, the secondary side also provides two CMOS buffer receivers for communication, a logic signal input, and a logic signal output. Furthermore, the primary side can be configured to input or output single-ended or differential signals with selectable push-pull or open-drain outputs.

As for the operating principle, the ADUM6404ARWZ-RL uses an isolating converter to convert the digital signals, ensuring that the primary and secondary sides remain completely isolated. To do so, it uses the primary driver to convert logic levels and provides logic output in the secondary receiver. On the primary side, the device transforms the digital signal into a high-frequency pulse-width modulation signal, which is then transmitted to the secondary side. In the secondary side, the device then converts the high-frequency pulse-width modulation signal back into the original logic levels.

Due to its features and operating principle, the ADUM6404ARWZ-RL is a viable option for a wide range of applications, including electrical power, industrial automation, automotive systems, instrumentation, and medical equipment. Its low-cost construction provides economical solutions for applications where safety and reliability are a priority. Furthermore, its wide operating temperature and excellent insulation characteristics make it well suited for industrial applications where high temperatures are present.

In conclusion, the ADUM6404ARWZ-RL is a digital isolator component specifically designed to provide isolated and regulated communications between different sensitive electrical systems. Its features and operating principle make it ideal for a variety of applications, including electrical power, industrial automation, automotive systems, instrumentation, and medical equipment. In addition, its low-cost construction and high temperature operating range make it ideal for industrial applications where safety and reliability are essential.

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