HCPL-0631#500

Logic Output Optoisolators Overview

The HCPL-0631#500 is a dual-channel high-speed logic output optocoupler manufactured by Broadcom Limited. It features a GaAsP infrared LED coupled to a Schottky-clamped open-collector phototransistor array, providing robust signal isolation in noisy environments. The device supports a typical data rate of 10 MBd and offers a minimum common-mode transient rejection (CMR) of 10 kV/µs at VCM = 1000V. It operates within a supply voltage range of 4.5V to 5.5V and an ambient temperature range of -40°C to 85°C. Key electrical parameters include a maximum forward current of 15mA, a collector current of 50mA, and an insulation voltage of 3750Vrms. The component is housed in an 8-pin SOIC package.

Logic Output Optoisolators Feature Summary

• High common-mode transient immunity ensures reliable operation in electrically noisy industrial environments.
• Schottky-clamped output structure minimizes storage time for enhanced switching speed and signal integrity.
• TTL/LSTTL compatible interface simplifies integration with standard digital logic systems.

Logic Output Optoisolators Applications

• Isolation of long-line receivers in communication systems
• Digital isolation for microprocessor-based control systems
• Signal transmission between A/D and D/A converters

Logic Output Optoisolators Procurement Notes

Verify the specific suffix #500 against official Broadcom documentation to confirm packaging details and RoHS compliance status. Ensure the source provides valid traceability for this part number. Cross-reference the manufacturer's current lifecycle status to confirm availability. Confirm that the supplied units match the specified SOIC-8 package dimensions and pinout configuration.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside strong noise immunity. The dual-channel design allows for simultaneous signal processing or differential signaling applications. Consider the 10 MBd data rate limit and 3750Vrms isolation rating when designing circuits with significant ground potential differences or high-voltage transients.

Logic Output Optoisolators Part Context

This device belongs to the HCPL-0631 series of high-speed optocouplers designed for demanding isolation applications. The series is characterized by its ability to maintain signal fidelity under high common-mode voltage conditions. It serves as a critical interface component in systems requiring galvanic separation between low-voltage logic and higher-voltage power stages.

Logic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative devices based on matching pinouts, isolation ratings, and propagation delay specifications before implementation.

Logic Output Optoisolators FAQ

What is the maximum common-mode transient rejection capability?

The device provides a minimum CMR of 10 kV/µs when the common-mode voltage is 1000V.

What type of output stage does the HCPL-0631#500 utilize?

It utilizes a Schottky-clamped open-collector phototransistor output to reduce storage time and improve switching speed.