HCPL-2631#520

Logic Output Optoisolators Overview

The HCPL-2631#520 is a dual-channel logic output optoisolator featuring a GaAsP LED and integrated high-gain photodetector. It provides 5000Vrms isolation with 10kV/µs common mode transient immunity. The open collector, Schottky-clamped output supports 50mA channel current and 10MBd data rates. Operating on 4.5V to 5.5V supplies, it ensures LVTTL/LVCMOS compatibility across -40°C to 85°C temperatures.

Logic Output Optoisolators Feature Summary

• Combines GaAsP light emitting diode with integrated high gain photo detector for reliable signal transmission
• Open collector output with Schottky clamping enhances switching speed and noise immunity
• Provides maximum AC and DC circuit isolation while maintaining LVTTL/LVCMOS compatibility

Logic Output Optoisolators Applications

• High-speed digital communication interfaces requiring galvanic isolation
• Industrial control systems with noisy electrical environments
• Microprocessor I/O isolation for logic level translation
• Power supply feedback loops in switching regulators

Logic Output Optoisolators Procurement Notes

Verify the specific suffix matches the required package and tape/reel configuration. Confirm that the device meets the necessary insulation ratings for your application safety standards. Check datasheet revisions for any updates to mechanical dimensions or electrical characteristics before finalizing procurement specifications.

Logic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required within a compact surface-mount footprint. The Schottky-clamped output design suits applications demanding fast switching speeds and robust noise rejection. Ensure the input forward current and supply voltage align with the target logic family requirements for optimal performance.

Logic Output Optoisolators Part Context

This part belongs to Broadcom's HCPL-2631 series of logic output optocouplers. The series is designed for high-speed digital isolation applications. The #520 suffix typically denotes a specific packaging variant, such as an 8-SMD gull-wing configuration, distinct from through-hole DIP options available in the same family.

Logic Output Optoisolators Replacement Considerations

Direct substitutes include other dual-channel logic optocouplers with similar 5000Vrms isolation and Schottky-clamped outputs. Verify pinout compatibility and propagation delay specifications to ensure seamless integration without circuit redesign.