ADUM120N1BRZ-RL7

Overview

The ADUM120N1BRZ-RL7 is a dual-channel digital isolator utilizing magnetic coupling technology. It provides 3000 Vrms isolation voltage and supports data rates up to 150 Mbps. The device features unidirectional signal transmission with a maximum propagation delay of 7.2 ns. It operates on supply voltages ranging from 1.8 V to 5.5 V and is housed in an 8-SOIC package.

Feature Summary

• Employs magnetic coupling for robust signal isolation without optical components
• Provides high common-mode transient immunity for reliable operation in noisy environments
• Supports wide input/output voltage ranges for flexible logic level translation

Applications

• Industrial communication interfaces requiring galvanic isolation
• Medical equipment signal isolation
• Automotive electronic control unit (ECU) isolation

Procurement Notes

Verify the specific suffix RL7 indicates reel packaging when sourcing. Confirm the N1 variant designation matches the required 2/0 channel configuration. Ensure the SOIC-8 footprint aligns with the target PCB layout. Cross-reference the manufacturer part number directly with Analog Devices documentation to avoid counterfeit components.

Selection Notes

Select this component for applications demanding high-speed data transfer alongside strong electromagnetic interference rejection. The magnetic coupling architecture offers superior longevity compared to optical isolators. Consider the 7.2 ns propagation delay for timing-critical synchronous protocols. Evaluate power consumption against system thermal constraints given the CMOS technology.

Part Context

This part belongs to the ADUM120N series, which focuses on EMC robustness. It serves as a high-performance alternative to traditional optocouplers in industrial and automotive sectors. The series emphasizes reliability and low power consumption while maintaining high isolation ratings.

Replacement Considerations

Direct substitutes include other ADUM120N variants with different packaging or channel configurations. Verify compatibility with existing board layouts and isolation requirements before substitution.