ADUM3473WARSZ

Overview

The ADUM3473WARSZ is a four-channel digital isolator from Analog Devices, housed in an SSOP-20 surface-mount package. It utilizes magnetic coupling technology to provide bidirectional signal isolation with a rated insulation voltage of 2500 Vrms. The device supports data rates up to 25 Mb/s and features an integrated transformer driver for efficient power transfer across the isolation barrier. It operates within a temperature range of -40°C to +105°C and holds AEC-Q100 qualification for automotive reliability.

Feature Summary

• Four isolated channels with bidirectional data transmission capability
• Integrated on-chip transformer driver for high-efficiency power delivery
• Magnetic coupling technology ensuring robust signal isolation
• AEC-Q100 qualified for automotive application environments

Applications

• Automotive gate driver circuits
• Industrial motor control systems
• Power supply feedback loops
• Inverter and converter interfaces

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm that the SSOP-20 package matches design requirements and check for specific RoHS compliance documentation. Ensure storage conditions adhere to moisture sensitivity levels to prevent damage prior to soldering. Validate that the AEC-Q100 qualification status meets project specifications.

Selection Notes

Select this part when bidirectional communication is required across the isolation barrier. The integrated transformer driver simplifies design by eliminating external components typically needed for power transfer. Consider the 2500 Vrms rating for safety isolation needs and the wide operating temperature range for harsh environments. Verify channel count sufficiency as all four channels are active.

Part Context

This component belongs to the ADUM347x series of digital isolators, which are designed for high-reliability applications requiring robust isolation. The series includes variants with different channel configurations and directionalities. The ADUM3473 specifically offers bidirectional functionality, distinguishing it from unidirectional counterparts like the ADUM3471 or ADUM3472.

Replacement Considerations

ADUM3473ARSZ-RL7