IL 3522ETR13

Digital Isolators Overview

The IL 3522ETR13 is a galvanically isolated, high-speed differential bus transceiver designed for bidirectional data communication on balanced transmission lines. Utilizing Giant Magnetoresistive (GMR) technology from the IsoLoop series, it supports RS422 and RS485 protocols with a data rate of 40Mbps. The device features 2.5kVrms isolation voltage, operates within a -55°C to 125°C temperature range, and is supplied in a 16-SOIC tube package.

Digital Isolators Feature Summary

• Galvanic isolation for safe signal transmission across potential differences
• High-speed differential bus transceiver capability for balanced lines
• Bidirectional data communication support for industrial protocols

Digital Isolators Applications

• RS422 communication systems
• RS485 network interfaces
• Industrial motor control cabinets

Digital Isolators Procurement Notes

Verify component authenticity upon receipt, as counterfeit risks exist for legacy industrial components. Confirm RoHS compliance status, as older NVE parts may not meet current environmental standards. Ensure storage conditions maintain moisture sensitivity level integrity prior to soldering. Cross-reference datasheet revisions to confirm pinout consistency with existing PCB layouts.

Digital Isolators Selection Notes

Select this component when bidirectional communication over balanced lines is required with high common-mode noise immunity. The GMR technology offers superior CMTI compared to optical alternatives. Verify that the 40Mbps speed meets system timing requirements. Ensure the 16-SOIC footprint matches the design constraints and thermal management capabilities of the target enclosure.

Digital Isolators Part Context

Part of the NVE IsoLoop family, leveraging giant magnetoresistive sensors for isolation. This series replaces traditional optocouplers in high-noise environments. The IL3522 variant specifically targets differential bus applications, providing robust performance in electrically noisy industrial settings where reliable long-distance communication is critical.

Digital Isolators Replacement Considerations

IL 3522E is listed as a similar alternative by the manufacturer.