HCPL-4661#320

Logic Output Optoisolators Overview

The HCPL-4661#320 is a dual-channel high-speed optocoupler featuring GaAsP LEDs and integrated Schottky-clamped phototransistors. It offers a data rate of 10 MBd, propagation delay up to 100 ns, rise time of 24 ns, and fall time of 10 ns. The device provides 5000 Vrms isolation voltage and 15 kV/µs common-mode transient immunity. It operates within a temperature range of -40°C to +85°C and utilizes an 8-SMD Gull Wing package.

Logic Output Optoisolators Feature Summary

• Integrates GaAsP light emitting diodes with high-gain Schottky-clamped phototransistor detectors for fast logic signal transmission.
• Provides robust electrical isolation with 5000 Vrms insulation voltage and high common-mode transient immunity of 15 kV/µs.
• Features open-collector outputs compatible with TTL and LSTTL logic levels, enabling direct interface with digital systems.

Logic Output Optoisolators Applications

• Isolated line receivers in communication systems
• Computer peripheral interfaces requiring high-speed data transfer
• Microprocessor system interfaces for noise-immune signal coupling

Logic Output Optoisolators Procurement Notes

Verify the specific suffix #320 confirms the surface-mount gull-wing package and 5000 Vrms isolation rating, as these differ from standard DIP variants. Confirm RoHS compliance status and check for automotive AEC-Q100 qualification if required for the target application environment.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside strict noise immunity standards. The 10 MBd data rate supports rapid signal processing, while the Schottky clamping ensures stable switching characteristics. Ensure the PCB layout accommodates the 8-SMD footprint and maintains adequate creepage distances for the 5000 Vrms isolation barrier.

Logic Output Optoisolators Part Context

This part belongs to the HCPL series of high-speed optocouplers designed for demanding industrial and commercial applications. The series emphasizes speed and reliability, utilizing advanced semiconductor processes to achieve low propagation delays and high CMTI ratings suitable for noisy power electronics environments.

Logic Output Optoisolators Replacement Considerations

HCPL-4661-000E (DIP variant, 3750 Vrms)

Logic Output Optoisolators FAQ

What is the maximum data rate supported by this optocoupler?

The HCPL-4661#320 supports a typical data rate of 10 MBd.

Does this device include output clamping features?

Yes, the output transistors are Schottky-clamped to prevent saturation and improve switching speed.