HCPL-7721-560E

Logic Output Optoisolators Overview

The HCPL-7721-560E is a high-speed optocoupler from Broadcom Limited featuring a single channel with logic output. It utilizes CMOS IC technology to achieve a data rate of 25 MBd and a common-mode transient immunity of 10 kV/µs. The device operates in surface-mount packaging, specifically an 8-pin DIP gull-wing configuration. Key electrical parameters include a 3750 Vrms isolation voltage and a push-pull totem pole output structure. This component is designed for applications requiring fast signal transmission across isolated circuits.

Logic Output Optoisolators Feature Summary

• High-speed signal transmission capability utilizing advanced CMOS IC technology
• Robust noise immunity characterized by a 10 kV/µs common-mode transient rating
• Integrated push-pull totem pole output stage for direct logic interfacing

Logic Output Optoisolators Applications

• Industrial automation control systems
• Data communication interface isolation
• Power supply feedback loops

Logic Output Optoisolators Procurement Notes

Verify the specific suffix '560E' to confirm the surface-mount gull-wing package variant, as other suffixes may indicate through-hole PDIP versions. Ensure the procurement order matches the required tape-and-reel quantity if applicable. Cross-reference the datasheet revision date to confirm current compliance with RoHS standards and lead times provided by authorized distributors.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside strong noise rejection capabilities. The integrated push-pull output eliminates the need for external pull-up resistors, simplifying circuit design. Consider the 3750 Vrms isolation barrier for safety-critical applications. Evaluate the thermal performance of the surface-mount package against the expected power dissipation limits in the final assembly environment.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-7721 series of high-speed optocouplers. The series leverages CMOS technology to provide superior speed compared to standard phototransistor outputs. The HCPL-7721-560E specifically denotes the surface-mount version, distinguishing it from the through-hole HCPL-7721-000E. It serves as a bridge between low-voltage logic circuits and higher-voltage isolated domains.

Logic Output Optoisolators Replacement Considerations

• HCPL-7721-000E (Through-hole equivalent)
• ACPL-772L-560E (Similar family member)

Logic Output Optoisolators FAQ

What is the common-mode transient immunity of the HCPL-7721-560E?

The device features a common-mode transient immunity of 10 kV/µs.

Does the HCPL-7721-560E have an internal pull-up resistor?

No, it utilizes a push-pull totem pole output stage that does not require external pull-up components.