HCPL-6651

Logic Output Optoisolators Overview

The HCPL-6651 is a high-reliability, four-channel hermetically sealed optocoupler manufactured by Broadcom Limited. It features a 16-pin ceramic flat-pack package designed for through-hole mounting. The device supports a data rate of 10 MBd with an isolation voltage of 1500 Vdc. Key electrical parameters include a forward current of 20 mA, output current of 25 mA, and power dissipation of 200 mW. Operating temperatures range from -55°C to +125°C. The output type is open collector with Schottky clamping, ensuring fast rise times of 90 ns and fall times of 40 ns.

Logic Output Optoisolators Feature Summary

• Hermetically sealed Class H construction in a 16-pin ceramic flat-pack package for enhanced reliability
• High common-mode transient immunity exceeding 1,000 V/µs utilizing internal shielding technology
• TTL circuit compatibility with open-collector outputs and Schottky-clamped transistors
• Qualified for MIL-PRF-38534 standards supporting extreme temperature environments

Logic Output Optoisolators Applications

• Military and aerospace systems requiring high radiation resistance
• Medical equipment demanding strict galvanic isolation
• Industrial control systems operating in harsh electromagnetic environments
• Transportation safety-critical logic interface circuits

Logic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm the exact pin configuration and sealing class required for your application. Ensure that the procurement channel provides valid traceability documentation, as this component is certified under military standards. Confirm that the received units match the specified 16-pin ceramic flat-pack format. Check for any recent product change notices regarding material composition or manufacturing location updates before finalizing orders.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside stringent environmental durability. The four-channel configuration allows for parallel data transmission within a single package footprint. Consider the open-collector output structure for necessary pull-up resistor integration. Verify that the system's thermal management can handle the specified power dissipation limits during continuous operation at maximum ambient temperatures.

Logic Output Optoisolators Part Context

This device belongs to the HCPL series of high-speed optocouplers produced by Broadcom Limited. It represents a specialized variant focused on hermetic sealing and military-grade reliability rather than standard commercial applications. The family includes single, dual, and quad-channel options, with the HCPL-6651 serving as the four-channel solution. It shares functional similarities with other logic-output isolators but distinguishes itself through its ceramic packaging and radiation hardness capabilities.

Logic Output Optoisolators Replacement Considerations

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