HCPL-261N-320E

Logic Output Optoisolators Overview

The HCPL-261N-320E is a high-speed logic output optocoupler manufactured by Broadcom Limited. It features a single channel with an open-collector phototransistor output, supporting data rates up to 10 MBd. The device provides galvanic isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a forward current of 10 mA, a forward voltage of 1.5 V, and a reverse voltage of 3 V. The output can handle a maximum collector current of 50 mA with a power dissipation of 60 mW. It operates within a temperature range of -40°C to +85°C and is housed in an 8-SMD Gull Wing package.

Logic Output Optoisolators Feature Summary

• HCMOS/LSTTL/TTL performance compatible for versatile logic interface integration
• High common mode rejection ratio of 15 kV/µs minimum at VCM = 1000 V
• Low input current requirement of 3.0 mA for efficient drive capability

Logic Output Optoisolators Applications

• Isolated line driver applications
• HCMOS-compatible system interfacing
• Variable-speed drive control circuits

Logic Output Optoisolators Procurement Notes

Verify the specific ordering suffix '-320E' to confirm the surface mount gull-wing package configuration. Ensure compatibility with RoHS standards if required by your manufacturing process. Cross-reference the datasheet for absolute maximum ratings regarding thermal management and voltage limits before finalizing the design implementation.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required between HCMOS or TTL logic families. The low input current specification makes it suitable for battery-powered or energy-efficient designs. Consider the open-collector output topology for flexible voltage level shifting and pull-up resistor selection in the target circuit application.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-261N series of high-speed optocouplers. It serves as a modern replacement for legacy devices like the 6N137, offering improved speed and lower drive requirements. The series is designed for robust signal transmission across isolation barriers in noisy industrial environments.

Logic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation.