ADUM2211SRIZ

Overview

The ADuM2211SRIZ is a dual-channel digital isolator based on iCoupler technology, offering high-speed CMOS performance with robust isolation capabilities. It provides a 5000 Vrms isolation voltage and supports data rates up to 1 Mbps. The device features enhanced system-level ESD protection compliant with IEC 61000-4-x standards. Operating from a single 5 V supply, it draws a maximum of 1.6 mA per channel at data rates between 0 and 1 Mbps. Packaged in a 16-pin SOIC-W, it ensures reliable signal transmission across isolated boundaries.

Feature Summary

• Dual-channel digital isolation utilizing proprietary iCoupler technology for high-speed data transmission
• High isolation voltage rating of 5000 Vrms ensuring safe boundary separation
• Enhanced system-level electrostatic discharge (ESD) protection meeting IEC 61000-4-x standards
• Low power consumption operation with optimized current draw per channel

Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing reinforced insulation barriers
• Power metering applications with high-voltage sensing requirements
• Inverter drives and motor control circuits

Procurement Notes

Verify the specific suffix SRIZ corresponds to the tape-and-reel packaging variant when ordering. Confirm that the 16-pin SOIC-W package dimensions match your PCB footprint requirements. Ensure the design accounts for the 5 V supply voltage constraint and thermal dissipation limits associated with the specified operating temperature range. Cross-reference the manufacturer's latest datasheet for any updates to mechanical drawings or compliance certifications before finalizing procurement.

Selection Notes

Select this component when dual-channel isolation is required within a compact surface-mount footprint. It is suitable for designs demanding high common-mode transient immunity and low propagation delay variations. Consider the 1 Mbps data rate limit when evaluating higher-speed communication needs. The integrated ESD protection reduces the need for external protective components, simplifying the bill of materials and layout complexity for industrial and medical interfaces.

Part Context

This part belongs to the ADuM221x family of digital isolators from Analog Devices. These devices leverage silicon dioxide-based iCoupler technology to provide isolation without the limitations of traditional optocouplers. The family includes variants like the ADuM2210, differing primarily in channel configuration or pinout compatibility. This series is designed to replace legacy optocoupler solutions in space-constrained and high-reliability applications.

Replacement Considerations

Direct replacements may include other ADuM221x variants depending on specific pinout and channel requirements. Verify compatibility with existing PCB layouts when substituting with similar dual-channel isolators from different manufacturers. Ensure that alternative components meet the same 5000 Vrms isolation and ESD protection standards.