MAX3766EEP Datasheet

Laser Drivers


The MAX3766EEP is a complete, easy-to-program laser driver for fiber optic LAN transmitters, optimized for operation at 622Mbps. It includes a laser modulator, automatic power control (APC), and a failure indicator with latched shutdown. Laser modulation current can be programmed up to 60mA at 622Mbps. A programmable modulation temperature coefficient can be used to keep the transmitted extinction ratio nearly constant over a wide temperature range. The modulator operates at data rates up to 1.25Gbps at reduced modulation current. APC circuitry uses feedback from the laser’s monitor photodiode to adjust the laser bias current, producing constant output power regardless of laser temperature or age. The MAX3766EEP supports laser bias currents up to 80mA. The MAX3766EEP provides extensive laser safety features, including a failure indicator with latched shutdown and a smooth start-up bias generator. These features help ensure that the transmitter output does not reach hazardous levels. The MAX3766EEP is available in a compact 20-pin QSOP and dice. MAX3766EEP Features • 60mA Modulation Current• 80mA Bias Current• 200ps Edge Speed• Modulation-Current Temperature Compensation• Automatic Power Control• Laser-Fail Indicator with Latched Shutdown• Smooth Laser Start-Up MAX3766EEP Applications • 622Mbps ATM Transmitters• 1.25Gbps Fiber Optic LAN Transmitters• 1.25Gbps Ethernet Transmitters


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Manufacturer information


Fairchild has a rich history as a pioneer in the semiconductor industry and that pioneering spirit endures today. In an era where diversity can dilute focus and hamper innovation, we specialize in the development and manufacturing of a complete portfolio of low- to high-power solutions for the mobile, industrial, cloud, automotive, lighting, and computing industries. Fairchild is one of the most reliable partners in the industry, offering the shortest time from concept to silicon, expert FAEs for customer support, and a flexible, multi-source supply chain. Our vision is clear – anticipate the power efficiencies demanded by tomorrow’s electronic products and deliver an amazing design experience

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