ADUM3400TRWZ-EP

Overview

The ADUM3400TRWZ-EP is a quad-channel digital isolator utilizing Analog Devices iCoupler technology, which combines high-speed CMOS with monolithic air core transformers. It provides bidirectional communication with data rates up to 90 Mbps and supports supply voltages from 2.7 V to 5.5 V. The device features enhanced system-level ESD reliability and offers a common-mode transient immunity of 25 kV/µs. It operates within a temperature range of -40°C to +105°C and is housed in a 16-lead SOIC package.

Feature Summary

• Enhanced system-level ESD reliability per IEC 61000-4-x standards
• Bidirectional communication capability with 3.3 V/5 V level translation
• High common-mode transient immunity exceeding 25 kV/µs
• Precise timing characteristics with low pulse width distortion

Applications

• General-purpose multichannel isolation
• SPI and data converter isolation
• RS-232, RS-422, and RS-485 transceiver isolation
• Industrial field bus isolation

Procurement Notes

Verify the specific suffix 'TRWZ-EP' to confirm the Enhanced Product status and tape-and-reel packaging format. Ensure compatibility with the required operating voltage range and thermal management for the SOIC-16 package. Cross-reference regulatory approvals such as UL, CSA, and VDE certificates for safety compliance in the target application environment.

Selection Notes

Select this component when high channel density and precise timing are required in electrically noisy environments. The EP designation indicates enhanced robustness suitable for demanding industrial applications. Consider the power consumption profiles at different data rates, ranging from low standby currents to higher active currents at 90 Mbps, to ensure adequate thermal design.

Part Context

This part belongs to the ADuM3400 series of quad-channel digital isolators. It replaces traditional optocouplers by offering superior performance through magnetic coupling technology. The series is designed for general-purpose isolation where size, speed, and reliability are critical factors in system architecture.

Replacement Considerations

Public confirmed substitute part numbers: ADUM3400CRWZ, ADUM3400BRWZ.