HCPL-6631

Logic Output Optoisolators Overview

The HCPL-6631 is a high-reliability, Class H, dual-channel hermetically sealed optocoupler housed in a 20-pad Leadless Ceramic Chip Carrier (LCCC) package. It features open-collector outputs with Schottky clamping for enhanced speed. Key electrical parameters include a data rate of 10 MBd, isolation voltage of 1500 Vrms, and current transfer ratio of 100%. The device supports a forward current of 20 mA with a typical rise time of 90 ns and fall time of 40 ns. Operating temperature range spans from -55°C to +125°C, with power dissipation rated at 200 mW.

Logic Output Optoisolators Feature Summary

• Hermetically sealed construction in a 20-pin LCCC package ensures high reliability and environmental protection.
• Class H certification provides superior resistance to radiation and harsh industrial environments.
• Schottky-clamped open-collector outputs minimize propagation delay variations and improve switching speed.

Logic Output Optoisolators Applications

• Industrial automation control systems
• Power electronics gate drive circuits
• High-voltage measurement instrumentation

Logic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm package type and tape/reel configuration, as standard datasheets may reference multiple variants. Ensure the procurement source is an authorized distributor to guarantee authenticity, given the component's critical role in high-reliability applications. Cross-reference the manufacturer part number against official Broadcom documentation to avoid counterfeits. Confirm RoHS compliance status if required by project specifications.

Logic Output Optoisolators Selection Notes

Select this component when hermetic sealing and Class H radiation hardness are mandatory requirements. The 10 MBd data rate suits moderate-speed digital isolation needs. Verify that the 1500 Vrms isolation rating meets system safety standards. Consider the through-hole LCCC package constraints during PCB layout. Ensure input current limits and output sink capabilities align with the driving and load circuits.

Logic Output Optoisolators Part Context

The HCPL-6631 belongs to the HCPL series of high-speed logic gate optocouplers manufactured by Broadcom Limited. It represents a legacy product line originally developed by Agilent Technologies and Hewlett-Packard. The device is designed for applications requiring robust signal isolation in electrically noisy or hazardous environments where standard plastic-packaged optocouplers may fail.

Logic Output Optoisolators Replacement Considerations

HCPL-6630 is a documented single-channel variant within the same family. Direct pin-to-pin replacement with other packages requires verification of isolation voltage and thermal characteristics. No direct surface-mount equivalents are confirmed in the provided documentation.