ADUM4402WBRWZ-RL

Overview

The ADUM4402WBRWZ-RL is a quad-channel digital isolator from Analog Devices, utilizing magnetic coupling technology for signal transmission. It operates within a supply voltage range of 2.7 V to 5.5 V and provides an insulation voltage of 5000 Vrms. The device supports data rates up to 90 Mb/s with a typical propagation delay of 32 ns. It features enhanced ESD protection and high common-mode transient immunity of 25 kV/µs. Packaged in a 16-pin SOIC (Wide) format, it functions across temperatures from -40°C to +105°C and holds AEC-Q100 qualification.

Feature Summary

• Provides galvanic isolation between circuits using magnetic coupling technology
• Features enhanced electrostatic discharge protection for robust operation
• Supports bidirectional signal transmission across four independent channels
• Delivers high common-mode transient immunity for noise-sensitive environments

Applications

• Industrial automation systems requiring isolated communication interfaces
• Medical equipment needing reinforced electrical isolation
• Power electronics control circuits with high-voltage separation needs
• Automotive electronic control units meeting automotive reliability standards

Procurement Notes

Verify the specific suffix WBRWZ-RL against official Analog Devices documentation to confirm package type and reel configuration. Confirm AEC-Q100 qualification status if automotive application is intended. Check current availability as distribution may vary. Ensure compatibility with system voltage levels and thermal requirements before finalizing procurement.

Selection Notes

Select this component when high-speed digital isolation is required alongside robust ESD protection. The wide SOIC package facilitates PCB layout compared to narrower variants. Consider the 5000 Vrms insulation rating for safety-critical applications. Evaluate power consumption at the target operating frequency to ensure it fits within system thermal budgets.

Part Context

This part belongs to the ADUM4402 series of quad-channel digital isolators. It shares the core magnetic coupling architecture with other members but differs in package width and specific performance characteristics. The series is designed for applications demanding reliable signal transfer across isolation barriers in noisy electrical environments.

Replacement Considerations

Direct substitutes include ADUM4401ARWZ-RL or ADUM4401BRWZ-RL, which offer similar quad-channel isolation but may differ in polarity or specific speed ratings. Verify pinout compatibility and insulation voltage ratings before substitution.