IL 3522E

Digital Isolators Overview

The IL3522E is a digital isolator from NVE Corp utilizing IsoLoop technology. It features a data rate of 40 Mbps and a propagation delay of 20 ns with 1 ns pulse skew. The device provides 6 kVRMS reinforced isolation, supports 12.8 kV surge protection, and offers 1.2 kVRMS working voltage (IL3522VE). It operates on supply voltages ranging from 3V to 5.5V or 4.5V to 5.5V. Packaged in a 16-SOIC format, it serves as an RS422/RS485 line transceiver.

Digital Isolators Feature Summary

• Provides deterministic galvanic isolation using spintronic GMR technology
• Supports high-speed data transmission at 40 Mbps
• Features low propagation delay and minimal pulse skew for signal integrity

Digital Isolators Applications

• Industrial communication systems requiring robust isolation
• Data acquisition systems with high noise environments
• Medical electronic equipment needing reinforced isolation

Digital Isolators Procurement Notes

Verify the specific suffix variant against the datasheet to confirm isolation ratings and voltage ranges. Ensure the package type matches the required PCB footprint. Confirm RoHS compliance status if restricted substances are a concern. Cross-reference the manufacturer part number with distributor listings to ensure authenticity and traceability.

Digital Isolators Selection Notes

Select this component when reinforced isolation and high surge immunity are critical. Compare the 40 Mbps speed against system requirements. Evaluate the 16-SOIC package constraints. Consider the operating temperature range and supply voltage compatibility with the target circuit design before finalizing the selection.

Digital Isolators Part Context

NVE Corp specializes in IsoLoop digital isolators based on Giant Magnetoresistance (GMR) technology. This family offers superior EMC performance compared to traditional optical isolators. The IL3522E represents a channel solution designed for reliable serial communication interfaces in demanding industrial applications.

Digital Isolators Replacement Considerations

Direct substitutes include other NVE IsoLoop devices like the IL3522VE for specific voltage variants. Verify pinout compatibility and isolation ratings when considering cross-brand alternatives.