HCPL-261A#020

Logic Output Optoisolators Overview

The HCPL-261A#020 is a high-speed optocoupler from Broadcom Limited featuring a single channel with an open-collector output. It provides 5000Vrms isolation voltage and supports data rates up to 10MBd. The device includes Schottky clamping on the input side to enhance switching speed. Key electrical characteristics include a common mode transient immunity of 1kV/µs, a typical rise time of 42ns, and a typical fall time of 12ns. It operates within a standard temperature range and utilizes a PDIP-8 package.

Logic Output Optoisolators Feature Summary

• High-speed logic output design optimized for rapid signal transmission
• Integrated Schottky clamp on the input side to minimize storage delay
• Enhanced common mode transient immunity for noise-resistant operation
• Single-channel configuration with open-collector output topology

Logic Output Optoisolators Applications

• Industrial communication interfaces requiring galvanic isolation
• Data acquisition systems with high noise environments
• Power supply control circuits needing fast response times
• Microprocessor-based systems interfacing with high-voltage domains

Logic Output Optoisolators Procurement Notes

Verify the specific suffix #020 against official Broadcom documentation to confirm packaging and compliance details. Ensure the procurement source provides valid RoHS status information as indicated in distributor listings. Cross-reference the part number with the manufacturer's current product availability status before finalizing orders. Confirm that the received components match the specified PDIP-8 package dimensions and pinout configuration.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside robust noise immunity. The Schottky-clamped input makes it suitable for applications demanding fast turn-off times. Consider the 5000Vrms isolation rating for safety-critical designs. Evaluate the open-collector output capability against load requirements and pull-up resistor needs. Compare performance metrics against alternative high-speed optocouplers if stricter timing or voltage specifications are necessary.

Logic Output Optoisolators Part Context

This device belongs to the HCPL-261N series of high-speed optocouplers manufactured by Broadcom Limited. The series is designed for applications requiring fast data transfer rates and reliable electrical isolation. The HCPL-261A#020 variant specifically features an open-collector output and Schottky-clamped input structure. It is distinct from other variants in the family based on its specific output configuration and insulation voltage ratings.

Logic Output Optoisolators Replacement Considerations

The HCPL-261A-520 is listed as a comparable active part with similar open-collector output characteristics. Verify functional equivalence regarding data rate and isolation voltage before substitution. Check for any differences in package dimensions or pin assignments to ensure mechanical compatibility. Confirm that the replacement part meets all original design specifications for thermal and electrical performance.