HCPL-5631#300

Logic Output Optoisolators Overview

The HCPL-5631#300 is a high-speed, dual-channel optocoupler featuring hermetically sealed Class H construction in an 8-pin ceramic DIP package. It provides a data rate of 10 MBd with a common-mode transient immunity of 1 kV/µs and isolation voltage of 1500 Vdc. The device utilizes open collector outputs with Schottky clamping, supporting a forward current of 20 mA and output current of 25 mA. Typical rise and fall times are 90 ns and 40 ns respectively, with a propagation delay of 140 ns. Operating temperature ranges from -55°C to +125°C, ensuring reliability in demanding environments.

Logic Output Optoisolators Feature Summary

• Hermetically sealed Class H construction for high reliability
• Schottky-clamped open collector outputs for fast switching
• High common-mode transient immunity of 1 kV/µs
• Wide operating temperature range suitable for harsh conditions

Logic Output Optoisolators Applications

• Industrial control applications requiring galvanic isolation
• Power supply feedback loops
• Communication interfaces in noisy environments
• Medical equipment isolation circuits

Logic Output Optoisolators Procurement Notes

Verify the specific suffix #300 indicates the standard tape-and-reel or tube packaging configuration as defined by Broadcom. Confirm that the Class H hermetic seal requirement aligns with system specifications. Ensure compatibility with 8-pin ceramic DIP footprints during PCB layout. Check RoHS compliance status against current regulatory requirements for the target market.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside robust environmental resilience. The dual-channel design reduces board space compared to single-channel alternatives. Consider the open collector output type for interface flexibility with various logic families. The wide temperature range supports operation in extreme industrial or automotive settings where standard plastic packages may fail.

Logic Output Optoisolators Part Context

This part belongs to the HCPL series of high-speed optocouplers manufactured by Broadcom Limited. The series is known for combining speed with reliability through hermetic sealing technology. The HCPL-5631 variant specifically targets applications needing two isolated channels within a compact footprint. It represents a legacy but critical solution for systems requiring proven long-term stability and radiation hardness.

Logic Output Optoisolators Replacement Considerations

Direct substitutes include other Class H hermetic dual-channel optocouplers from Broadcom such as the HCPL-5601 series variants. Cross-reference pinouts and electrical parameters like CTR and propagation delay before substitution. Verify that alternative packages match the 8-pin ceramic DIP form factor if mechanical constraints are strict.