HCPL-7611-300E

Logic Output Optoisolators Overview

The HCPL-7611-300E is a single-channel logic optocoupler featuring a GaAsP LED and an integrated high-gain photodetector. It provides 3750 Vrms isolation voltage with a data rate of 10 Mb/s. The output is an open collector Schottky-clamped transistor capable of 50 mA current. Operating temperature ranges from -40°C to +85°C. Supply voltage is 4.5V to 5.5V. Propagation delay is 75ns max. Common mode transient immunity is 10kV/μs.

Logic Output Optoisolators Feature Summary

• Combines GaAsP light-emitting diode with integrated high-gain photodetector for maximum AC and DC circuit isolation.
• Features LVTTL/LVCMOS compatibility to ensure fault-free system performance.
• Output type utilizes Schottky-clamped transistors for enhanced noise immunity.

Logic Output Optoisolators Applications

• High-speed digital signal isolation in industrial control systems.
• Isolation between microprocessors and peripheral devices.
• Noise-immune communication interfaces requiring LVCMOS compatibility.

Logic Output Optoisolators Procurement Notes

Verify the specific suffix '300E' confirms the SMD gull-wing package variant. Confirm active lifecycle status with the manufacturer, as some HCPL-7611 variants are obsolete. Ensure input forward current specifications align with driving circuit capabilities. Validate operating temperature range requirements against application environmental conditions before procurement.

Logic Output Optoisolators Selection Notes

Select this component when high common-mode transient immunity of 10kV/μs is required. The open collector output necessitates external pull-up resistors. Verify that the 10 Mb/s data rate meets system timing constraints. Consider the 3750 Vrms isolation rating for safety compliance. Ensure supply voltage remains within the 4.5V to 5.5V range for proper operation.

Logic Output Optoisolators Part Context

This device belongs to the HCPL-7601/11 family of logic output optoisolators. It is designed for applications demanding fast response times and robust noise rejection. The integration of Schottky clamping on the detector IC distinguishes it from standard phototransistor outputs. It serves as a bridge between low-voltage logic circuits and higher voltage isolated domains.

Logic Output Optoisolators Replacement Considerations

HCPL-7611#300 is listed as obsolete. Direct functional substitutes require matching 10 Mb/s speed and open collector output. Verify pinout compatibility for SMD8 packages. Check isolation voltage ratings to ensure equivalent safety standards. Confirm LVTTL/LVCMOS compatibility in alternative components.