HCPL-261N#020

Logic Output Optoisolators Overview

The HCPL-261N#020 is a high-speed optocoupler from Broadcom Limited, featuring a single channel with an open collector output. It supports data rates up to 10 Mb/s and provides an insulation voltage of 3750 Vrms. The device operates with a forward current of 10 mA and a forward voltage of 1.5 V. Key timing parameters include a rise time of 42 ns and a fall time of 12 ns. It handles a maximum output current of 50 mA with power dissipation of 60 mW. The component functions within a temperature range of -40°C to +85°C and is housed in a PDIP-8 package.

Logic Output Optoisolators Feature Summary

• High-speed signal transmission capability supporting 10 Mb/s data rates
• Open collector output configuration with Schottky clamping for fast switching
• High common-mode transient immunity of 1 kV/µs
• UL recognized safety isolation rating

Logic Output Optoisolators Applications

• Industrial automation control systems
• Embedded system communication interfaces
• Power supply feedback loops
• Signal isolation in noisy environments

Logic Output Optoisolators Procurement Notes

Verify the specific suffix designation to ensure compatibility with required packaging formats and regulatory compliance standards. Confirm that the open collector output type aligns with the target circuit design requirements. Check for RoHS status variations across different manufacturing batches or updated part numbers. Ensure the operating temperature range meets the environmental conditions of the intended application. Validate the insulation voltage specifications against safety isolation requirements.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required between circuits with differing ground potentials. The open collector output necessitates an external pull-up resistor for proper logic level generation. Consider the 10 Mbps data rate limit for signal integrity in high-frequency applications. Evaluate the 3750 Vrms isolation barrier for safety-critical designs. Compare rise and fall times against system timing constraints to ensure adequate signal fidelity.

Logic Output Optoisolators Part Context

The HCPL-261N belongs to the Broadcom HCPL-261A family of optically coupled gates. This series provides industry-standard performance for high-speed digital isolation. The N variant specifically denotes the PDIP-8 package configuration. It is designed for reliable operation in demanding electronic environments requiring galvanic isolation.

Logic Output Optoisolators Replacement Considerations

HCPL-2611 offers similar speed but with different timing characteristics (24 ns rise, 10 ns fall). HCPL-261N#060 is another variant within the same series. Verify pinout compatibility and electrical parameter overlaps before substitution.