HCPL-0631-000E

Logic Output Optoisolators Overview

The HCPL-0631-000E is a high-speed, two-channel logic gate optocoupler manufactured by Broadcom Limited. It integrates a GaAsP light-emitting diode with an integrated high-gain photodetector to provide digital isolation. The device features a SOIC-8 surface-mount package and supports data rates up to 10 Mb/s. Key electrical parameters include a typical rise time of 24 ns and a fall time of 10 ns. It offers an isolation voltage of 3750 Vrms and operates within a temperature range of -40°C to +85°C. The output type is open collector with a maximum current capability of 50 mA.

Logic Output Optoisolators Feature Summary

• Combines a GaAsP LED with an integrated high-gain photodetector for efficient optical coupling.
• Provides high common-mode rejection ratio (CMR) for reliable signal transmission in noisy environments.
• Features TTL-compatible logic outputs suitable for direct interfacing with digital circuits.

Logic Output Optoisolators Applications

• High-speed data communication interfaces requiring galvanic isolation.
• Industrial control systems utilizing digital signal processing.
• Power supply feedback loops for isolated voltage monitoring.

Logic Output Optoisolators Procurement Notes

Verify the specific suffix '000E' to confirm RoHS compliance and lead-free status as per manufacturer specifications. Ensure the SOIC-8 package dimensions match the target PCB footprint. Confirm that the required data rate does not exceed the 10 Mb/s limit. Check for AEC-Q100 automotive qualification if the application demands automotive-grade reliability standards.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required between circuits operating at different potential levels. The open-collector output necessitates an external pull-up resistor; ensure the resistor value aligns with the desired switching speed and voltage level. Consider the 3750 Vrms isolation rating for safety compliance in mains-connected applications. Evaluate thermal dissipation requirements given the 60 mW power dissipation limit.

Logic Output Optoisolators Part Context

This part belongs to the HCPL series of high-speed optocouplers from Broadcom. It is designed for applications demanding fast response times and robust noise immunity. The series typically includes variants with different pin configurations or packaging options, but the HCPL-0631 specifically denotes the dual-channel, SOIC-8 configuration optimized for logic gate applications.

Logic Output Optoisolators Replacement Considerations

Direct substitutes may include other dual-channel high-speed optocouplers with similar pinouts and electrical characteristics. Verify compatibility regarding isolation voltage, data rate, and output configuration before substitution. Cross-reference with Broadcom's official replacement guides for validated alternatives.