ADUM1100UR-RL7

Overview

The ADUM1100UR-RL7 is a single-channel digital isolator utilizing iCoupler magnetic coupling technology. It supports data rates up to 100 Mbps with a propagation delay of 18 ns and rise/fall times of 3 ns. The device operates on a supply voltage range of 3 V to 5.5 V, drawing 800 µA of quiescent current. It provides 2500 Vrms isolation and withstands common-mode transients at 25 kV/µs. Packaged in an SOIC-8 surface-mount format, it functions within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates high-speed CMOS logic with monolithic air core transformer technology for signal transmission.
• Provides galvanic isolation between input and output circuits without optical components.
• Supports level translation between 3.3 V and 5.0 V logic families.

Applications

• Industrial process control systems requiring isolated communication interfaces
• Medical equipment needing patient isolation barriers
• Power electronics gate drive circuits

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required package and tape/reel specifications. Check for obsolescence status as availability may be limited. Ensure compliance with RoHS directives if applicable to the target market. Validate that the operating temperature range meets system environmental requirements.

Selection Notes

Select this component when a single-channel, unidirectional isolator is required for high-speed digital signals. Consider the 2500 Vrms isolation rating for safety-critical applications. Evaluate the 100 Mbps data rate against system bandwidth needs. Verify compatibility with existing 3.3 V or 5.0 V logic levels. Assess the SOIC-8 footprint constraints during PCB layout design.

Part Context

This part belongs to the ADuM1100 series of digital isolators from Analog Devices. It represents a compact solution for replacing traditional optocouplers in space-constrained designs. The series emphasizes low power consumption and high reliability compared to legacy technologies.

Replacement Considerations

Direct substitutes include other ADuM1100 variants with different temperature grades or packaging options. Cross-reference pinouts and electrical characteristics carefully before substitution. Verify that alternative parts meet the same isolation voltage and data rate specifications.