ADUM2211SRWZ

Overview

The ADUM2211SRWZ is a dual-channel digital isolator utilizing Analog Devices iCoupler technology, which integrates high-speed CMOS circuitry with monolithic air-core transformers. This component provides galvanic isolation between two separate circuits, ensuring signal integrity while blocking high voltages. It operates within a supply voltage range of 3 V to 5.5 V and supports data rates up to 1 Mb/s. The device features a propagation delay of 150 ns and offers an insulation voltage of 5000 Vrms. Designed for robust performance, it maintains operation across an extended temperature range from -40°C to +125°C.

Feature Summary

• Provides enhanced system-level ESD protection compliant with IEC 61000-4-x standards
• Utilizes iCoupler technology for magnetic coupling isolation without external magnetics
• Supports unidirectional signal transmission for reliable data isolation

Applications

• Industrial automation systems requiring isolated communication interfaces
• Medical equipment needing reinforced isolation for patient safety
• Power metering applications involving high-voltage sensing

Procurement Notes

Verify the specific suffix SRWZ-RL indicates reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the supplier source is authorized to guarantee part authenticity and traceability. Check for any regional distribution restrictions that may affect availability.

Selection Notes

Select this component when bidirectional isolation is not required, as it supports only unidirectional channels. Consider the 1 Mbps data rate limit against application bandwidth needs. Evaluate the 5000 Vrms isolation rating against system voltage requirements. Compare power consumption figures if low-power operation is critical for the design.

Part Context

This part belongs to the ADuM221x family of dual-channel digital isolators. It shares architectural similarities with the ADUM2210 but differs in channel configuration or pinout compatibility. The series leverages silicon dioxide insulation layers for high reliability. It serves as a direct replacement for legacy optocouplers in space-constrained designs.

Replacement Considerations

Direct substitutes include the ADUM2210SRWZ for similar isolation characteristics. Verify pin-to-pin compatibility before swapping components. Ensure electrical parameters such as propagation delay and isolation voltage meet original design specifications.