HCPL-261N

Logic Output Optoisolators Overview

The Broadcom HCPL-261N is a high-speed optocoupler featuring a single channel with an open-collector output. It operates within a data rate of 10 Mb/s and provides an isolation voltage of 3750 Vrms. The device supports a maximum forward current of 10 mA and a forward voltage of 1.5 V. Rise and fall times are specified at 42 ns and 12 ns, respectively. It handles a maximum output current of 50 mA with power dissipation of 60 mW. The component functions reliably across a temperature range of -40°C to +85°C and is housed in an 8-pin PDIP package.

Logic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using optical transmission technology.
• Features an open-collector logic output suitable for interfacing with digital systems.
• Designed for high-speed signal transmission with defined rise and fall time characteristics.

Logic Output Optoisolators Applications

• Industrial control systems requiring noise immunity
• Data communication interfaces
• Power supply feedback loops

Logic Output Optoisolators Procurement Notes

Verify the specific suffix code (e.g., #060) against official datasheets to ensure correct packaging and RoHS compliance status. Confirm availability as this component may not be routinely stocked by all distributors. Check for alternative substitutes if lead times are critical. Ensure the ordering part number matches the required insulation voltage and output type specifications for the target application.

Logic Output Optoisolators Selection Notes

Select this component when a single-channel high-speed isolation solution is required. The open-collector output necessitates external pull-up resistors for proper logic level translation. Consider the 3750 Vrms isolation rating for safety requirements. Evaluate the 10 Mb/s data rate against system bandwidth needs. Ensure the operating temperature range meets environmental conditions.

Logic Output Optoisolators Part Context

The HCPL-261N belongs to the Broadcom HCPL series of high-speed optocouplers. This series is designed for applications demanding fast signal transfer and electrical isolation. The component utilizes LED-to-phototransistor technology within a compact DIP package. It serves as a reliable interface between low-voltage logic circuits and higher-voltage or noisy environments.

Logic Output Optoisolators Replacement Considerations

The HCPL2611M from onsemi is listed as a direct substitute option. Verify pinout compatibility and electrical parameter equivalence before replacement. Ensure the alternative component meets the same isolation voltage and speed requirements.