HCPL-4661#500

Logic Output Optoisolators Overview

The HCPL-4661#500 is a dual-channel high-speed optocoupler featuring an integrated logic gate structure. It combines a GaAsP light-emitting diode with a high-gain photodetector to provide electrical isolation between circuits. The device offers a data rate of 10 Mb/s and supports a maximum forward current of 20 mA with a typical forward voltage of 1.75 V. It provides an insulation voltage of 3750 Vrms and delivers an output current of 50 mA per channel. The unit operates within a temperature range of -40°C to +85°C and is housed in an 8-pin DIP package.

Logic Output Optoisolators Feature Summary

• Integrates a GaAsP LED with a high-gain photodetector for efficient optical coupling
• Provides dual-channel isolation with open collector Schottky-clamped outputs
• Supports high-speed data transmission up to 10 Mb/s
• Ensures robust electrical isolation with 3750 Vrms insulation capability

Logic Output Optoisolators Applications

• Industrial networking systems requiring signal isolation
• Circuits connecting diverse voltage levels with high noise immunity
• Logic interface applications needing fast propagation delays
• Power supply feedback loops for isolated control signals

Logic Output Optoisolators Procurement Notes

Verify the specific suffix #500 against the manufacturer's official datasheet to confirm packaging type and compliance certifications. Ensure the procurement source provides valid UL and CSA certification documentation. Cross-reference the part number with the latest Broadcom Limited component list to confirm availability status and manufacturing lifecycle stage before finalizing orders.

Logic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with high common-mode transient immunity is required. The open collector output configuration allows flexible interfacing with various logic families. Consider the 10 Mb/s data rate limit for signal integrity. Verify that the 50 mA output current capability meets the load requirements of the destination circuit without exceeding thermal limits.

Logic Output Optoisolators Part Context

This device belongs to the HCPL series of high-speed optocouplers manufactured by Broadcom Limited. The series is designed for applications demanding fast switching speeds and reliable galvanic isolation. The HCPL-4661 variant specifically integrates logic gate functionality, simplifying circuit design by combining sensing and driving capabilities in a single package compared to standard transistor-output optocouplers.

Logic Output Optoisolators Replacement Considerations

HCPL-4661-000E

Logic Output Optoisolators FAQ

What is the typical propagation delay for the HCPL-4661#500?

The maximum propagation delay (tpLH/tpHL) is specified as 100 ns.

Does the HCPL-4661#500 support automotive standards?

Yes, the component complies with AEC-Q100 automotive qualification standards.