MAX3869EHJ

Laser Drivers Overview

The MAX3869EHJ is a single +3.3V laser driver designed for SDH/SONET applications operating up to 2.5Gbps. It accepts differential PECL data and clock inputs to provide bias and modulation currents for driving a laser diode. The device features programmable bias current ranging from 1mA to 100mA and programmable modulation current from 5mA to 60mA. It includes automatic average power control with failure monitoring, current monitors, and an enable control input. The component operates within a supply voltage range of 3.14V to 5.5V and supports a working temperature range of -40°C to +85°C.

Laser Drivers Feature Summary

• Integrates automatic average power control with failure monitoring capabilities
• Provides programmable bias and modulation current outputs for laser diodes
• Accepts differential PECL data and clock inputs for signal processing

Laser Drivers Applications

• SONET/SDH Transmission Systems
• Add/Drop Multiplexers
• Digital Cross-Connects
• Section Regenerators
• 2.5Gbps Optical Transmitters

Laser Drivers Procurement Notes

Verify the specific suffix EHJ against official Analog Devices documentation to confirm package type and compliance status. Confirm availability status as the product lifecycle may indicate obsolescence or limited supply. Ensure environmental certifications such as RoHS are validated through the manufacturer's official certification database before procurement.

Laser Drivers Selection Notes

Select this component for designs requiring a single-supply laser driver compliant with ANSI, ITU, and Bellcore SDH/SONET specifications. Evaluate the need for jitter reduction via the synchronizing input latch if clock signals are available. Consider the 64mA supply current and thermal management requirements for the TQFP-32 package in the final system design.

Laser Drivers Part Context

The MAX3869 belongs to the Maxim Integrated laser driver family optimized for optical communication systems. It is part of a series that includes variants like the MAX3863 and MAX3867, tailored for different data rates and packaging needs. The EHJ suffix typically denotes a specific thermal and mechanical package configuration within the broader MAX3869 product line.

Laser Drivers Replacement Considerations

Publicly confirmed substitute part numbers for the MAX3869EHJ were not identified in the provided source material. Consult official Analog Devices documentation for potential legacy replacements or updated series components.