ADUM3211BRZ-RL7

Overview

The ADUM3211BRZ-RL7 is a dual-channel digital isolator utilizing iCoupler magnetic coupling technology. It operates within a supply voltage range of 3 V to 5.5 V, consuming typical currents of 3 mA and 3.1 mA per channel. The device supports data rates up to 10 Mb/s with a propagation delay of 50 ns and rise/fall times of 3 ns. It provides 2500 Vrms isolation voltage and functions reliably across an operating temperature range of -40°C to +105°C. Packaged in an SOIC-8 format, it features unidirectional signal transmission.

Feature Summary

• Enhanced system-level ESD protection performance compliant with IEC 61000-4-x standards
• High operational temperature capability reaching 125°C
• Default low-level output configuration for safety
• Low power consumption during operation

Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing enhanced safety isolation
• Power metering applications with high voltage separation
• Inverter control circuits for motor drives

Procurement Notes

Verify the specific suffix RL7 against official Analog Devices documentation to confirm reel packaging specifications. Ensure compatibility with SOIC-8 footprint requirements. Cross-reference the manufacturer part number ADUM3211BRZ-RL7 directly with datasheet revisions to validate current production status and compliance certifications before procurement.

Selection Notes

Select this component when unidirectional dual-channel isolation is required at moderate speeds. It is suitable for designs prioritizing ESD robustness and wide temperature ranges. Compare its 10 Mb/s rate against higher-speed alternatives if data throughput demands exceed this limit. Verify that the 2500 Vrms isolation rating meets the specific safety standards of the target application environment.

Part Context

This part belongs to the ADuM321x series of dual-channel digital isolators from Analog Devices. It leverages iCoupler technology to provide isolation without external magnetics. The series is designed for applications demanding reliable signal transmission across isolated boundaries while maintaining low power consumption and small form factor constraints.

Replacement Considerations

Consult official substitution guides for equivalent parts within the ADuM321x family or other iCoupler isolators. Verify pinout compatibility and electrical parameter alignment before replacing.