ADUM1447ARQZ-RL7

Digital Isolators Overview

The ADUM1447ARQZ-RL7 is a micropower quad-channel digital isolator utilizing iCoupler magnetic coupling technology. It provides four independent channels with a data rate of 2 Mbps and a common mode transient immunity of 25 kV/µs. The device operates within a supply voltage range of 2.25 V to 3.6 V, drawing only 612 µA per channel. It features bidirectional signal transmission, a maximum propagation delay of 180 ns, and an isolation voltage rating of 2500 Vrms. The component is housed in a 16-SSOP package and supports an operating temperature range from -40°C to +125°C.

Digital Isolators Feature Summary

• Integrates four isolated channels using proprietary iCoupler magnetic coupling technology for robust signal transmission.
• Delivers high common mode transient immunity of 25 kV/µs to maintain signal integrity in noisy environments.
• Operates at micropower levels with a typical current consumption of 612 µA per channel.
• Supports bidirectional data flow across all four channels for versatile interface applications.

Digital Isolators Applications

• Industrial process control systems requiring galvanic isolation
• Medical equipment needing reliable signal separation
• Power metering circuits for energy monitoring
• Inverter drives and motor control interfaces

Digital Isolators Procurement Notes

Verify the specific suffix RL7 indicates reel packaging when sourcing. Confirm the QSOP/SSOP pinout compatibility with your PCB layout. Check for RoHS compliance status as required by your manufacturing standards. Ensure the 2.25V to 3.6V supply range matches your system power rails. Validate the 2500 Vrms isolation rating against your safety requirements.

Digital Isolators Selection Notes

Choose this part for applications demanding low power consumption alongside moderate speed isolation. The 2 Mbps data rate suits many industrial protocols but may be insufficient for high-speed communication. Consider the bidirectional nature if signals must flow both ways across the isolation barrier. The wide operating temperature range supports harsh industrial environments. Verify that the 16-pin package fits your available board space constraints.

Digital Isolators Part Context

This component belongs to the ADuM144x family of micropower digital isolators from Analog Devices. It leverages iCoupler technology to replace traditional optocouplers in many designs. The family offers various channel configurations and speed options. This specific model focuses on balancing power efficiency with sufficient bandwidth for general-purpose isolation tasks.

Digital Isolators Replacement Considerations

Check for direct cross-reference models within the ADuM144x series. Verify equivalent isolation voltage and data rate specifications. Ensure package dimensions match for drop-in replacement. Confirm supply voltage compatibility with existing circuitry.