HCPL-5631

Logic Output Optoisolators Overview

The HCPL-5631 is a high-reliability, Class H, two-channel hermetically sealed optocoupler housed in an 8-pin ceramic DIP package. It features gold-plated leads and solder-dipped connections for robust performance. The device supports a data rate of 10 Mb/s with open collector outputs. Key electrical parameters include a forward current of 20 mA, forward voltage of 1.5 V, rise time of 90 ns, and fall time of 40 ns. It withstands an isolation voltage of 1500 Vdc and operates within a temperature range of -55°C to +125°C.

Logic Output Optoisolators Feature Summary

• Hermetically sealed construction in a ceramic DIP package ensures high reliability and environmental stability.
• Class H certification provides enhanced protection against radiation and harsh operating conditions.
• High common-mode transient immunity of 1 kV/µs maintains signal integrity in noisy environments.

Logic Output Optoisolators Applications

• Space-qualified electronic systems requiring radiation-hardened components
• High-speed digital communication interfaces demanding galvanic isolation
• Industrial control systems operating in extreme temperature environments

Logic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm package type and lead finish. Ensure compatibility with existing PCB footprints for 8-pin ceramic DIP configurations. Confirm that the selected variant meets the required Class H reliability standards for the intended application environment. Cross-reference datasheet specifications for isolation voltage and thermal limits before integration.

Logic Output Optoisolators Selection Notes

Select this component when high-speed data transmission up to 10 Mb/s is required alongside robust electrical isolation. The dual-channel design allows for efficient circuit separation in compact layouts. Consider the hermetic seal and Class H rating for applications exposed to radiation or severe mechanical stress. Verify that the open-collector output configuration aligns with the downstream logic requirements.

Logic Output Optoisolators Part Context

This part belongs to the HCPL series of high-speed optocouplers from Broadcom Limited. It is designed for applications requiring reliable signal transfer across isolated boundaries. The series includes variants with different packaging and speed characteristics, but this model specifically targets high-reliability scenarios through its hermetic sealing and ceramic construction.

Logic Output Optoisolators Replacement Considerations

No direct public substitute part numbers are confirmed in the provided documentation. Evaluate alternative high-speed optocouplers based on channel count, data rate, and isolation voltage if replacement is necessary.

Logic Output Optoisolators FAQ

What is the maximum data rate supported by the HCPL-5631?

The HCPL-5631 supports a data rate of 10 Mb/s.

Does the HCPL-5631 have Schottky clamping?

Yes, the device features open collector outputs with Schottky clamping to improve switching speed.