HCPL-7720-520

Logic Output Optoisolators Overview

The HCPL-7720-520 is a high-speed logic output optoisolator featuring a single channel with a data rate of 25 Mb/s. It provides galvanic isolation with an insulation voltage of 3750 Vrms and a common mode transient immunity of 10 kV/µs. The device utilizes a push-pull, totem pole output configuration capable of sourcing or sinking 10 mA. Key timing parameters include a rise time of 9 ns and a fall time of 8 ns. It operates within a temperature range of -40°C to +85°C and dissipates up to 150 mW.

Logic Output Optoisolators Feature Summary

• High-speed digital isolation with 25 Mb/s data transmission capability
• Robust noise immunity characterized by 10 kV/µs common mode transient rejection
• Push-pull output stage providing active drive for fast signal transitions

Logic Output Optoisolators Applications

• High-speed serial communication interfaces requiring galvanic isolation
• Industrial control systems with noisy electrical environments
• Power supply feedback loops in switching regulators

Logic Output Optoisolators Procurement Notes

Verify the specific suffix against official Broadcom documentation to confirm package type and tape/reel specifications. Ensure compliance with RoHS directives if required for the target application. Confirm availability status as lifecycle changes may affect supply continuity. Cross-reference datasheet revisions to validate parameter consistency before integration.

Logic Output Optoisolators Selection Notes

Select this component when high-speed data transfer is critical alongside strong noise immunity. The push-pull output eliminates the need for external pull-up resistors, simplifying circuit design. Verify that the 3750 Vrms isolation rating meets safety standards for the specific application voltage. Consider thermal dissipation limits when designing PCB layouts for dense configurations.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-772x series of high-speed optocouplers from Broadcom Limited. It serves as a specialized solution for digital isolation where speed and reliability are paramount. The series offers various isolation voltages and output types to suit different system requirements. This specific model focuses on balanced performance between speed and noise tolerance.

Logic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: HCPL-7720-500E, HCPL-7720-320E.