IL 612-2E

Overview

The NVE IL612-2E is a general-purpose digital isolator featuring two independent channels with unidirectional signal transmission. It utilizes Giant Magnetoresistive (GMR) technology to provide galvanic isolation without an internal isolated power supply. The device supports data rates up to 100 Mbps and offers a common-mode transient immunity of 15 kV/µs. It operates within a voltage range of 3 V to 5.5 V and is housed in an 8-DIP package.

Feature Summary

• Passive input architecture eliminates the need for local isolated power supplies on the input side.
• CMOS outputs ensure compatibility with standard logic families while maintaining high noise immunity.
• GMR sensing technology provides superior performance and higher package density compared to traditional optocoupler solutions.

Applications

• General purpose digital signal isolation in industrial control systems
• Isolating microcontroller interfaces from noisy peripheral circuits
• Protecting low-voltage control logic in high-voltage power monitoring applications

Procurement Notes

Verify the specific suffix designation to confirm the package type, as variations exist between DIP and SOIC formats. Ensure the selected variant matches the required channel count and directionality for the target circuit design. Cross-reference official datasheets to confirm electrical ratings against system requirements before procurement.

Selection Notes

Select this component when a passive input isolator is required to simplify power distribution in isolated domains. Compare GMR-based options against capacitive or optical alternatives based on size constraints and long-term reliability needs. Confirm that the 100 Mbps speed rating meets the maximum clock frequency of the connected digital signals.

Part Context

This part belongs to the NVE IL600 series of digital isolators, which are designed to replace optocouplers in various applications. The series leverages proprietary GMR technology to achieve high-speed data transfer and robust isolation characteristics in compact packages suitable for modern electronic designs.

Replacement Considerations

The HCPL-9031-000E is documented as a substitute option. Verify pinout compatibility and electrical specifications, such as propagation delay and isolation voltage, to ensure functional equivalence in the existing circuit layout.