HCPL0631

Logic Output Optoisolators Overview

The HCPL0631 is a dual-channel high-speed optocoupler from the HCPL series, manufactured by onsemi. It features a surface-mount SOIC-8 package with eight pins and supports DC input signals. Key electrical parameters include a maximum forward voltage of 1.8V, a typical rise time of 5ns, and a maximum input current of 25mA. The device provides an isolation voltage of 2500V AC and operates within a temperature range of -40°C to 85°C. It delivers logic outputs with a current transfer ratio ranging from 19% to 50%.

Logic Output Optoisolators Feature Summary

• Dual-channel configuration for simultaneous signal isolation
• High-speed operation with rapid signal transition times
• Integrated logic output for direct digital interface compatibility

Logic Output Optoisolators Applications

• Ground loop elimination in industrial systems
• Data transmission line receivers
• LSTTL to TTL or CMOS level shifting

Logic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., R2) against official datasheets to confirm packaging details such as tape and reel specifications. Ensure the manufacturer designation matches current corporate ownership structures, as component branding may reflect historical acquisitions. Cross-reference pinout diagrams with target PCB footprints to prevent installation errors during assembly.

Logic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required alongside high-speed data rates. Evaluate the 2500V AC isolation rating against system safety requirements. Confirm that the 25mA maximum input current aligns with the driving circuit capabilities. Consider the SOIC-8 footprint constraints and thermal management needs for the specified operating temperature range.

Logic Output Optoisolators Part Context

This device belongs to the HCPL family of optocouplers, designed for robust signal isolation. The HCPL0631 variant specifically addresses applications requiring two independent isolated channels. It utilizes LED and photodetector technology to provide electrical separation between input and output circuits while maintaining signal integrity at high frequencies.

Logic Output Optoisolators Replacement Considerations

HCPL-0631-500E

Logic Output Optoisolators FAQ

What is the typical rise time for the HCPL0631?

The typical rise time is 5ns.

Does the HCPL0631 support wired OR outputs?

Yes, the open collector output feature permits wired OR configurations.