HCPL-2631-520E

Logic Output Optoisolators Overview

The HCPL-2631-520E is a high-speed optocoupler featuring two independent channels in an 8-pin SOP surface-mount package. It delivers a data rate of 10 MBd with propagation delays of 100 ns maximum. The device provides 5000 Vrms isolation voltage and common mode transient immunity up to 10 kV/µs. Output current reaches 50 mA per channel, while the forward current is rated at 10 mA. Operating temperature spans from -40°C to +85°C.

Logic Output Optoisolators Feature Summary

• Integrates a GaAsP LED with a high-gain photo detector for efficient optical coupling
• Features an enable input pin to strobe the detector for power management
• Includes an internal shield to guarantee high common mode transient immunity
• Provides Schottky-clamped open collector outputs for TTL compatibility

Logic Output Optoisolators Applications

• Industrial networking systems requiring galvanic isolation
• High-speed digital signal transmission across isolated boundaries
• Power supply feedback loops in switching regulators
• Microcontroller interface circuits demanding fast response times

Logic Output Optoisolators Procurement Notes

Verify that the suffix '520E' corresponds to the specific tape-and-reel packaging configuration required for automated assembly processes. Confirm RoHS compliance status through official manufacturer documentation. Ensure the selected variant matches the necessary isolation voltage ratings for your specific circuit safety requirements. Cross-reference the datasheet revision date to confirm current technical specifications.

Logic Output Optoisolators Selection Notes

Choose this component when high-speed data transfer exceeding standard logic isolators is necessary. The integrated enable pin allows for active low-power states during idle periods. Verify that the SOP-8 footprint aligns with existing PCB layout constraints. Consider the 5000 Vrms isolation rating for applications involving significant potential differences between input and output domains.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-26XX series of high-speed optocouplers designed for robust signal integrity. It shares architectural similarities with the HCPL-0631 family but differs in package type and mounting style. The series is engineered for applications requiring fast switching speeds and reliable electrical isolation in noisy environments.

Logic Output Optoisolators Replacement Considerations

HCPL-2631-000E: Pin-compatible DIP alternative with identical electrical characteristics.

Logic Output Optoisolators FAQ

What is the purpose of the enable input on the HCPL-2631-520E?

The enable input allows the user to strobe the internal photo detector, effectively turning off the output to reduce power consumption during inactive periods.

How does the internal shield affect performance?

The internal shield provides guaranteed common mode transient immunity, protecting against rapid voltage changes that could otherwise cause false triggering or signal corruption.