HCPL-2611#300

Logic Output Optoisolators Overview

The HCPL-2611#300 is a high-speed logic gate optocoupler manufactured by Broadcom Limited. It integrates a GaAsP light-emitting diode with an integrated high-gain photodetector to provide signal isolation. The device features a single channel with open collector, Schottky-clamped transistor output. Key electrical parameters include a data rate of 10 MBd, typical rise time of 24 ns, and typical fall time of 10 ns. It offers an insulation voltage of 3750 Vrms and a minimum common-mode transient immunity (CMTI) of 15 kV/µs. The component operates within a temperature range of -40°C to +85°C.

Logic Output Optoisolators Feature Summary

• Integrates a GaAsP LED with a high-gain photodetector for efficient optical coupling.
• Features open collector, Schottky-clamped transistor output compatible with LSTTL/TTL logic levels.
• Provides high noise immunity with a typical common-mode rejection capability of 10,000 V/µs.

Logic Output Optoisolators Applications

• High-speed logic interface isolation
• Microprocessor system interface isolation
• Ground loop elimination in instrumentation
• Power supply control circuit isolation

Logic Output Optoisolators Procurement Notes

Verify the specific suffix #300 against the manufacturer's current datasheet to confirm package type and lead-free status. Ensure the required isolation voltage rating of 3750 Vrms meets the safety standards of the target application. Confirm that the open-collector output configuration aligns with the downstream logic circuit requirements before finalizing procurement.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required in noisy environments. The 10 MBd data rate supports fast communication protocols. The Schottky-clamped output prevents saturation, ensuring rapid switching times. Verify that the input forward current requirements fit within the driving source capabilities and that the operating temperature range covers the environmental conditions.

Logic Output Optoisolators Part Context

The HCPL-2611 belongs to the HCPL-26xx series of high-speed optocouplers from Broadcom. This series is designed for applications requiring fast signal transmission across isolation barriers. The device replaces traditional pulse transformers in many digital isolation scenarios, offering compact packaging and reliable performance in industrial and computing systems.

Logic Output Optoisolators Replacement Considerations

Check for direct cross-references such as the HCPL-2611-020E or HCPL-2611-300E for equivalent specifications. Verify pinout compatibility and isolation voltage ratings when substituting with other manufacturers' parts like Onsemi equivalents. Ensure the replacement maintains the same logic output type and speed characteristics.