HCPL-261A-520

Logic Output Optoisolators Overview

The HCPL-261A-520 is a high-speed optocoupler featuring a single channel with an open collector output. It supports data rates up to 10 MBd and provides 5000 Vrms isolation voltage. The device operates with a forward current of 10 mA and delivers an output current of 50 mA. Key timing parameters include a rise time of 24 ns and a fall time of 10 ns. It functions within a temperature range of -40°C to +85°C and utilizes a PDIP-8 Gull Wing package.

Logic Output Optoisolators Feature Summary

• High common mode transient immunity of 1 kV/µs for robust noise rejection
• Schottky clamped open collector output for fast switching performance
• Wide operating temperature range suitable for industrial environments

Logic Output Optoisolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Communication interface isolation

Logic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., 520) against official datasheets to confirm insulation voltage and package type, as variations exist within the series. Ensure compatibility with RoHS requirements if mandated by project specifications. Cross-reference pinout configurations to prevent integration errors during PCB layout design.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside significant voltage barriers. The open collector output necessitates external pull-up resistors, which must be sized according to the target load and speed requirements. Consider thermal dissipation limits in densely packed assemblies.

Logic Output Optoisolators Part Context

This part belongs to the Broadcom HCPL-261N series of high-speed optocouplers. It is designed for applications demanding rapid signal transmission across isolated boundaries. The series emphasizes reliability and speed, distinguishing it from standard logic isolators through its specialized internal architecture.

Logic Output Optoisolators Replacement Considerations

HCPL-2601-520E offers similar electrical characteristics with comparable isolation and speed ratings. HCPL-261A-060E provides equivalent performance but differs in packaging style. Verify pin compatibility before substitution.