ADN2873ACPZ-R7

Overview

The ADN2873ACPZ-R7 is a single-loop laser diode driver manufactured by Analog Devices Inc. It operates on a 3.3 V supply and supports data rates from 50 Mbps to 4.25 Gbps. The device is housed in a 24-lead LFCSP (4x4 mm) package. It features an integrated photodiode monitor circuit for precise optical power control. The component is designed for high-speed optical communication applications requiring stable laser modulation.

Feature Summary

• Supports continuous data rates up to 4.25 Gbps
• Integrates single-loop control architecture
• Includes built-in photodiode monitoring capability

Applications

• High-speed optical transceivers
• Fiber optic communication systems
• Laser diode modulation circuits

Procurement Notes

Verify the specific suffix R7 indicates reel packaging when sourcing. Confirm the 24-lead LFCSP footprint matches your PCB design. Check current availability status as distribution may vary. Ensure compatibility with 3.3 V logic levels for control signals. Validate thermal requirements for the small outline package.

Selection Notes

Select this component for designs requiring integrated laser monitoring without external photodiode amplifiers. Consider the 4.25 Gbps maximum speed for future-proofing high-bandwidth links. Evaluate the single-loop topology benefits for simplified bias control. Assess the 3.3 V operation against system voltage rails. Review the LFCSP thermal dissipation characteristics for enclosure constraints.

Part Context

This part belongs to the ADN2873 family of laser drivers from Analog Devices. It is specifically engineered for direct modulation of laser diodes in optical networking equipment. The device simplifies design by combining drive, monitoring, and protection functions into a compact surface-mount package suitable for dense board layouts.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility if considering alternative vendors. Check functional equivalence regarding data rate support and monitoring integration before substitution.