ADUM142D0BRZ-RL7

Digital Isolators Overview

The ADUM142D0BRZ-RL7 is a robust quad digital isolator from Analog Devices, utilizing iCoupler magnetic coupling technology. It features four independent isolation channels with a 2:2 channel configuration. The device supports data rates up to 150 Mb/s and offers an insulation voltage of 3000 Vrms. Operating on a supply voltage range of 1.7 V to 5.5 V, it draws approximately 11 mA of quiescent current per side. Key electrical parameters include a propagation delay of 15 ns, rise/fall times of 2.5 ns, and a common-mode transient immunity of 75 kV/µs. It is housed in a 16-pin SOIC package.

Digital Isolators Feature Summary

• Integrates four independent digital isolation channels using monolithic air core transformer technology for high-speed signal transmission.
• Provides robust electromagnetic interference (EMI) immunity and superior performance compared to traditional optocouplers.
• Supports bidirectional communication with unidirectional polarity options across the isolation barrier.

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing reliable signal separation
• Power metering applications with high-voltage interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'RL7' confirms the reel packaging format when ordering. Ensure compatibility with the 16-SOIC footprint during PCB layout. Confirm that the 3000 Vrms isolation rating meets the safety requirements of the target application environment. Check for moisture sensitivity levels if storage conditions are not controlled.

Digital Isolators Selection Notes

Select this component when four isolated channels are required within a single package to save board space. The 150 Mb/s data rate suits moderate-speed digital interfaces. Consider the 1.7 V to 5.5 V supply range for compatibility with various logic families. The 75 kV/µs CMTI is critical for noisy environments with fast-switching power stages.

Digital Isolators Part Context

This part belongs to the ADuM140x series of quad-channel digital isolators. It represents a shift from optocoupler technology to silicon-based magnetic isolation. The series offers various channel configurations and isolation voltages. The ADUM142 variant specifically provides a balanced 2:2 split for simultaneous input and output isolation.

Digital Isolators Replacement Considerations

Direct replacements include other ADUM142 variants such as ADUM142D1BRZ or ADUM142D0BRQZ, depending on the required package type (SOIC vs QSOP) and tape/reel specifications. Verify pinout compatibility before substitution.