HCPL-7721-520E

Logic Output Optoisolators Overview

The HCPL-7721-520E is a single-channel high-speed logic output optocoupler manufactured by Broadcom Limited. It features a push-pull totem pole output stage and utilizes CMOS IC technology for superior performance. The device provides an isolation voltage of 5000 Vrms and supports data rates up to 25 MBd. Key electrical parameters include a typical rise time of 9 ns, a fall time of 8 ns, and a forward current of 10 mA. It operates within a temperature range of -40°C to +85°C.

Logic Output Optoisolators Feature Summary

• High-speed data transmission capability with a 25 MBd data rate
• Push-pull totem pole output configuration for strong drive capability
• Robust electrical isolation rated at 5000 Vrms
• CMOS-based internal circuitry for low power consumption

Logic Output Optoisolators Applications

• High-speed serial communication interfaces
• Industrial process control systems requiring galvanic isolation
• Data acquisition systems with noise-sensitive environments
• Computer peripheral interface circuits

Logic Output Optoisolators Procurement Notes

Verify the specific suffix code against official Broadcom documentation to confirm package type and insulation ratings. Ensure compatibility with existing circuit designs regarding input current requirements and output drive capabilities. Confirm availability status as lifecycle changes may affect supply chain stability.

Logic Output Optoisolators Selection Notes

Select this component when high-speed signal integrity and robust isolation are required in compact designs. The push-pull output eliminates the need for external pull-up resistors, simplifying board layout. Consider thermal management requirements given the operating temperature range and power dissipation characteristics.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-7721 series of high-speed optocouplers from Broadcom. The series leverages advanced CMOS technology to deliver fast switching speeds while maintaining small form factors. It is designed for applications demanding reliable data transfer across isolated boundaries.

Logic Output Optoisolators Replacement Considerations

Check for direct substitutes within the HCPL-7721 family such as HCPL-7721-500E or HCPL-7721-000E, ensuring pinout and electrical specifications match exactly. Verify that any alternative maintains the same isolation voltage and data rate requirements.