ADUM3211CRZ

Overview

The ADUM3211CRZ is a dual-channel digital isolator from Analog Devices, utilizing iCoupler technology to integrate high-speed CMOS with monolithic transformer technology. It provides bidirectional data transmission across an isolation barrier with a maximum data rate of 10 Mb/s and an insulation voltage of 2500 Vrms. The device operates on a single power supply ranging from 3 V to 5.5 V, drawing typical supply currents of 6.4 mA per channel at 5 V. It features a propagation delay of 50 ns and is housed in an 8-lead SOIC package.

Feature Summary

• Integrates high-speed CMOS logic with monolithic transformer technology for robust signal isolation
• Provides bidirectional communication capability across the isolation barrier
• Offers enhanced system-level ESD reliability compared to traditional optocouplers

Applications

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

Procurement Notes

Verify the specific suffix 'CRZ' against official Analog Devices documentation to confirm temperature range and packaging specifications. Ensure compatibility with design-in requirements regarding operating temperature limits and RoHS compliance status before procurement.

Selection Notes

Select this component when bidirectional data transfer is required within a dual-channel isolation architecture. Consider the 10 Mb/s data rate and 2500 Vrms isolation rating as primary selection criteria for noise-immune environments.

Part Context

This part belongs to the ADuM321x family of dual-channel digital isolators. It serves as a direct replacement for optocouplers in many designs, offering smaller size, lower power consumption, and higher reliability due to the absence of light-emitting diodes.

Replacement Considerations

Check for pin-compatible alternatives such as the ADUM3211ARZ or ADUM3211BRZ if different temperature grades or tape-and-reel packaging are needed. Verify functional equivalence with other iCoupler-based isolators.