ADUM240E1BRIZ-RL

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Digital isolation is the process of separating two devices that are electrically connected to one another without “leaking” power in the form of electric currents. ADUM240E1BRIZ-RL is a digital isolator designed to keep devices and systems electrically separated while still allowing signals to be transferred. This isolator is composed of a power driver and a receiver, designed to couple digital signals across an isolation barrier created by a transfer gate. Understanding how the ADUM240E1BRIZ-RL works and its uses can help engineers and designers in selecting the right product for their application.

The ADUM240E1BRIZ-RL digital isolator integrates a power receiver and a power transmitter together in one package. It features low propagation delay, 12 ns max, and an extremely wide signal range with an isolation voltage of up to 5000 V RMS at 60 Hz. It also supports data rates up to 25 Mbps, making it suitable for high-speed digital signal transmission across a wide range of products. Additionally, it is designed to withstand up to 200 V common-mode transients and is reverse-connectable due to its automated low input bias current circuit. This isolator is compliant with the ISO 10605 (IEC 61131-2) standard for safety isolators, making it suitable for use in industrial applications.

When it comes to applications, ADUM240E1BRIZ-RL is particularly suitable for communicating digital signals between two points across an isolation barrier. It can be employed in motor control system, industrial monitoring systems, train control systems, diagnostic systems, and vending machines. It is also suitable for audio applications, including in-ear monitors, public address systems, sound mixers, and other audio systems. It is also an ideal solution for isolating high-speed digital systems in an automotive environment or controlling logic signals in multi-channel digital applications.

In terms of its working principle, the ADUM240E1BRIZ-RL is a power-driven isolator that uses transistors to provide high isolation between channels. It works by transferring digital signals across an isolation barrier created by a transfer gate. This isolator dissipates power supplied to the receiver circuit, and then the power transmitter drives the data signal across the isolation barrier using a power receiver circuit. This process eliminates the need for signal level matching between the transmitter and receiver, which significantly reduces the complexity of isolation and signal conditioning.

The ADUM240E1BRIZ-RL is a power-driven digital isolator with excellent performance, high speed transmission, and wide signal range making it ideal for many industrial and audio applications. It is reliable, easy to use, and comes with a low propagation delay of 12 ns, providing a secure connection between two points. The isolation voltage of up to 5000 V RMS at 60 Hz makes it suitable for all kinds of digital system control applications, and its compatibility with the ISO 10605 (IEC 61131-2) safety standard makes it an ideal product for industrial purposes.

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