ADUM1286WCRZ

Overview

The ADUM1286WCRZ is a dual-channel digital isolator from Analog Devices, utilizing iCoupler magnetic coupling technology. It operates within a supply voltage range of 3.135 V to 5.5 V and supports data rates up to 100 Mb/s. The device provides an insulation voltage of 3000 Vrms with unidirectional signal transmission. Key electrical parameters include a typical propagation delay of 23 ns and power consumption of approximately 15 mA per channel. It is housed in an SOIC-8 package and is qualified under AEC-Q100 standards for automotive applications.

Feature Summary

• Integrates two independent digital isolation channels using proprietary iCoupler magnetic coupling technology
• Provides high common-mode transient immunity and robust signal integrity across isolation barriers
• Supports unidirectional data transmission with low propagation delay for precise timing control
• Meets AEC-Q100 qualification requirements for automotive electronic environments

Applications

• Automotive gate driver circuits requiring isolated control signals
• Industrial communication interfaces such as RS-485 and CAN bus systems
• Isolated power supply feedback loops and monitoring circuits
• Microcontroller peripheral isolation in noisy electromagnetic environments

Procurement Notes

Verify the specific suffix WCRZ against official Analog Devices documentation to confirm the SOIC-8 tube packaging configuration. Confirm current availability status directly with authorized distributors, as supply constraints may apply. Ensure compliance with RoHS directives and moisture sensitivity levels prior to procurement.

Selection Notes

Select this component when bidirectional communication is not required, as it supports only unidirectional channels. Compare power consumption figures against system budget constraints, noting the 15 mA per channel draw. Evaluate the 3000 Vrms isolation rating against circuit safety requirements and ensure the SOIC-8 footprint fits the PCB layout constraints.

Part Context

This part belongs to the ADUM1286 series of small form-factor digital isolators. It shares the iCoupler architecture with other members like the ADUM1250 but differs in channel count and directionality. The series is designed to replace traditional optocouplers in space-constrained designs while offering superior performance consistency and reliability.

Replacement Considerations

Check for direct pin-compatible alternatives within the ADUM12xx family. Verify that any substitute maintains the same unidirectional channel configuration and isolation voltage ratings. Cross-reference thermal characteristics and package dimensions to ensure mechanical compatibility.