HCPL-2231-300E

Logic Output Optoisolators Overview

The HCPL-2231-300E is a high-speed, dual-channel optocoupler manufactured by Broadcom Limited. It features an AlGaAs infrared LED coupled to two totem pole output stages, providing logic gate functionality with open collector outputs. The device supports data rates up to 5 Mb/s and offers an isolation voltage of 3750 Vrms. Key electrical parameters include a forward current of 5 mA, forward voltage of 1.5 V, and reverse voltage of 5 V. Output characteristics specify a maximum output current of 25 mA and power dissipation of 294 mW. Timing performance includes a rise time of 30 ns and a fall time of 7 ns. The component operates within a temperature range of -40°C to +85°C and is housed in an 8-pin surface-mount package.

Logic Output Optoisolators Feature Summary

• Dual-channel architecture with independent signal paths for simultaneous data transmission
• Totem pole output stages designed for fast switching and robust logic level interfacing
• High-speed optical coupling utilizing AlGaAs LED technology for reliable signal integrity
• Integrated isolation barrier ensuring safety between input and output circuits

Logic Output Optoisolators Applications

• Industrial networking systems requiring electrical isolation between diverse voltage levels
• Digital communication interfaces needing high-speed data transfer across isolation barriers
• Logic gate applications in embedded systems requiring compact dual-channel solutions

Logic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., -300E) against official Broadcom documentation to confirm surface-mount packaging and lead-free compliance. Ensure that ordering codes match the required RoHS status and tape-and-reel specifications. Cross-reference manufacturer part numbers with distributor listings to avoid confusion with through-hole variants like the HCPL-2231. Confirm availability of technical datasheets and ECAD models prior to final procurement decisions.

Logic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with high-speed performance is required. The 5 Mb/s data rate suits applications demanding rapid signal transmission. Consider the surface-mount package for PCB space constraints. Evaluate the 3750 Vrms isolation rating against system safety requirements. Compare total power dissipation and thermal management needs against available board space. Verify compatibility with existing logic families due to the open collector output configuration.

Logic Output Optoisolators Part Context

The HCPL-2231 series belongs to Broadcom's HCPL family of high-speed optocouplers. This specific model represents a dual-channel variant optimized for digital logic applications. It complements single-channel counterparts by providing two isolated channels in one package. The series is designed for industrial and commercial environments where reliability and speed are critical. It serves as a bridge between low-voltage control circuits and higher-voltage load circuits.

Logic Output Optoisolators Replacement Considerations

Direct substitutes may include other dual-channel high-speed optocouplers from Broadcom or competitors with matching pinouts and electrical ratings. Verify equivalent data rates, isolation voltages, and output configurations before substitution. Check for package compatibility and thermal characteristics. Review updated datasheets for any changes in recommended operating conditions or certification standards.