HCPL-2631#020

Logic Output Optoisolators Overview

The HCPL-2631#020 is a dual-channel high-speed optocoupler manufactured by Broadcom Limited. It integrates a GaAsP light-emitting diode with an integrated high-gain photo detector to provide logic output isolation. The device features open collector outputs with Schottky clamping, supporting a data rate of 10 MBd and a propagation delay of 24 ns rise time and 10 ns fall time. It offers an insulation voltage of 5000 Vrms and a common-mode transient immunity of 10 kV/µs. The component operates within a temperature range of -40°C to +85°C and is housed in an 8-pin PDIP package.

Logic Output Optoisolators Feature Summary

• Integrates a GaAsP LED with a high-gain photodetector for efficient optical coupling
• Features open collector outputs with Schottky clamping for fast switching performance
• Provides high common-mode transient immunity of 10 kV/µs for noise rejection

Logic Output Optoisolators Applications

• High-speed digital signal isolation in industrial control systems
• Isolation interfaces for microprocessor-based communication links
• Signal transmission in noisy electromagnetic environments requiring high CMTI

Logic Output Optoisolators Procurement Notes

Verify the specific suffix #020 against official Broadcom documentation to confirm packaging and compliance details. Note that availability may be limited as some variants are marked as discontinued or have restricted supply. Ensure the selected part matches the required DIP-8 package and electrical specifications for your design. Cross-reference with authorized distributors for current stock status and lead times.

Logic Output Optoisolators Selection Notes

Select this component when high-speed data transmission up to 10 MBd is required alongside robust galvanic isolation. The Schottky-clamped open collector output is suitable for driving logic inputs directly. Consider the 5000 Vrms isolation rating for safety-critical applications. Verify thermal management requirements given the 60 mW power dissipation limit and operating temperature range.

Logic Output Optoisolators Part Context

This device belongs to the HCPL-2631 series of high-speed optocouplers from Broadcom. It is designed for applications demanding rapid signal transfer between isolated circuits. The series typically includes variants with different suffixes indicating packaging or compliance differences. It serves as a bridge between low-voltage logic circuits and higher voltage domains while maintaining signal integrity.

Logic Output Optoisolators Replacement Considerations

Check for direct substitutes within the HCPL-2631 family such as HCPL-2631-000E or HCPL-2631-520E. Verify pin compatibility and electrical parameter equivalence before substitution. Confirm that alternative parts meet the same isolation voltage and data rate requirements.