IL 721T-3E

Overview

The IL 721T-3E is a general-purpose digital isolator from the IsoLoop series by NVE Corp/Isolation Products. It provides galvanic isolation with a rating of 2500Vrms across two channels. The device supports data rates up to 110Mbps and offers a common-mode transient immunity (CMTI) of 100kV/µs. It operates within a supply voltage range of 2.7V to 5.5V and functions in temperatures from -40°C to 125°C. Packaged in an 8-SOIC format, it is RoHS compliant.

Feature Summary

• Utilizes IsoLoop magnetic coupling technology for signal transmission
• Provides high-speed data isolation up to 110Mbps
• Features robust common-mode transient immunity of 100kV/µs

Applications

• Industrial automation systems requiring galvanic isolation
• Commercial equipment needing reliable signal separation
• General-purpose digital isolation in mixed-signal environments

Procurement Notes

Verify the manufacturer part number IL 721T-3E against official NVE Corp documentation to ensure authenticity. Confirm that the component meets specific project requirements for isolation voltage and data rate. Check for RoHS compliance status if environmental regulations apply. Ensure the package type matches the design footprint.

Selection Notes

Select this component when high-speed isolation is required alongside strong noise immunity. The 110Mbps rate suits applications demanding faster communication than standard isolators. The 100kV/µs CMTI ensures stability in electrically noisy industrial settings. Verify that the 8-SOIC package fits the available board space.

Part Context

This component belongs to the IsoLoop series, which utilizes proprietary magnetic coupling technology. Unlike capacitive or optical isolators, IsoLoop devices offer consistent performance over temperature and time. The IL 721T-3E represents a general-purpose solution within this family, balancing speed and isolation reliability.

Replacement Considerations

Direct substitutes include the IL 721-3E variant. Other potential replacements may include devices from Texas Instruments or Analog Devices with similar 2-channel, 2500Vrms specifications, though interface and speed differences must be evaluated.