ADN2847ACP-48

Laser Drivers Overview

The ADN2847ACP-48 is a dual-loop laser diode driver from Analog Devices, designed for optical communication systems. It supports data rates from 50 Mbps to 3.3 Gbps and operates on a single 3.3 V supply. The device integrates closed-loop control for average power and extinction ratio, requiring minimal external components. Key electrical parameters include a bias current range of 2 mA to 100 mA, modulation current up to 80 mA, and a typical rise/fall time of 80 ps. It features programmable alarms for laser fail and degrade conditions, along with automatic laser shutdown capabilities.

Laser Drivers Feature Summary

• Integrates dual-loop control for precise management of laser diode average power and extinction ratio without complex external circuitry.
• Provides comprehensive protection through programmable alarms for laser degradation and failure, including automatic shutdown functions.
• Supports high-speed operation with fast rise and fall times suitable for multi-rate optical transmission standards.

Laser Drivers Applications

• SONET OC-1/3/12/48 and SDH STM-0/1/4/16 networks
• Fibre Channel applications
• Gigabit Ethernet implementations
• DWDM systems requiring dual monitor photodiode wavelength control

Laser Drivers Procurement Notes

Verify component authenticity through authorized channels due to potential supply constraints. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Ensure compatibility with system voltage levels and thermal requirements before integration. Review latest datasheet revisions for any updates to electrical characteristics or recommended operating conditions.

Laser Drivers Selection Notes

Select this driver for applications requiring integrated dual-loop control in a compact form factor. Consider the 48-lead LFCSP package for space-constrained designs. Evaluate the 3.3 V supply requirement against system power architecture. Assess the need for programmable alarms and automatic shutdown features for system reliability.

Laser Drivers Part Context

This component belongs to the ADN2847 series of laser diode drivers. It is part of Analog Devices' portfolio for optical interconnect solutions. The series targets high-performance networking equipment requiring precise laser control. Related parts may offer different pin counts or speed ranges within the same functional family.

Laser Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with existing designs carefully if considering alternatives. Check for equivalent pinout and electrical specifications when evaluating replacement options.