ADUM3440CRWZ

Overview

The ADUM3440CRWZ is a quad-channel digital isolator from Analog Devices Inc., designed for high-speed data transmission across isolation barriers. It utilizes iCoupler technology to provide galvanic isolation with low power consumption and high reliability. The device operates at a supply voltage of 3.3V or 5V and supports data rates up to 150 Mbps per channel. It features a wide operating temperature range and is available in a 28-lead SOIC_W package, ensuring robust performance in demanding industrial applications.

Feature Summary

• Provides four independent bidirectional channels for isolated digital signal transmission
• Utilizes iCoupler technology for compact, high-reliability galvanic isolation without magnetic components
• Supports high-speed data communication with low propagation delay and jitter
• Operates within a wide temperature range suitable for harsh industrial environments

Applications

• Industrial automation and control systems requiring isolated communication interfaces
• Medical equipment needing safe patient isolation and signal integrity
• Power electronics monitoring and gate drive isolation in motor drives
• Test and measurement instruments requiring precise signal isolation

Procurement Notes

Verify the specific suffix 'CRWZ' matches your required temperature grade and packaging format. Confirm that the 28-lead SOIC_W footprint aligns with your PCB design constraints. Ensure compatibility with your system's voltage levels and data rate requirements before finalizing procurement decisions.

Selection Notes

Choose this component when multiple isolated channels are needed in a single package to save board space. Consider its low power consumption if energy efficiency is critical. Verify that the isolation voltage rating meets your safety standards. Compare against other iCoupler devices if different channel counts or speeds are required.

Part Context

This part belongs to the ADUM344x family of quad-channel digital isolators. It shares core iCoupler technology with similar models but differs in pinout and specific electrical characteristics. It is often used alongside other isolators in complex systems requiring multiple isolated domains.

Replacement Considerations

Direct replacements include other ADUM344x variants like ADUM3441CRWZ or ADUM3442CRWZ, depending on channel directionality needs. Ensure substitute parts match the 28-lead SOIC_W package and operate within the same voltage and temperature ranges.