MAX3711
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MAX3711

125Mbps to 3.125Gbps Integrated Limiting Amplifier/Laser Driver with Dual-Loop Power Control

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Laser Autocalibration Mode Improves Manufacturing Quality and Reliability

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Part Details
Features
  • Simplifies Module Manufacturing
    • Enables Single-Temperature Module Testing
    • Production Laser Auto-Calibration Mode
  • Improved Performance
    • Integrated APC Loop (Operates Up to 3.125Gbps)
    • Integrated ERC Loop (Operates Up to 2.7Gbps)
    • 1.3mVP-P Receiver Sensitivity
  • Flexibility
    • LVDS, LVPECL, and CML Compatible High-Speed I/Os
    • Programmable I/O Polarity
    • 3-Wire Digital Interface
  • Safety and Reliability
    • Integrated Safety Features with FAULT Mask Register
    • Supports SFP MSA and SFF-8472 Digital Diagnostic
    • Selectable Analog Monitor of Laser Power or BIAS Current at BMON Pin
Additional Details
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The MAX3711 limiting amplifier and laser driver provides a highly integrated, low-cost, high-performance PMD solution.

The low-jitter laser diode driver provides transmit average power control (APC) of laser bias current as well as an integrated modulation current control loop (extinction ratio control, or ERC). The ERC eliminates the need for temperature lookup tables (LUTs) controlling the modulation current.

The low-noise limiting amplifier maximizes optical sensitivity and has adjustable SD/LOS threshold plus programmable output levels. The differential CML output stage features a slew-rate adjustment for 1.25Gbps operation. Integrated bias current monitor and Tx power monitor enable a low-cost implementation of modules with digital diagnostics.

A novel auto-calibration mode enables low-cost fiber optic module production. An integrated 3-wire digital interface controls the laser driver and limiting amplifier functions, and enables communication with a low-cost controller.

The MAX3711 is offered in a small, 4mm x 4mm, 24-pin TQFN package with exposed pad, and operates over the -40°C to +95°C temperature range.

Applications

  • CPRI/OBSAI SFP/SFF Transceivers
  • CWDM SFP Transceivers
  • Ethernet SFP/SFF Transceivers
  • OC-3 to OC-48 SFP/SFF Transceivers

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

MAX3711EVKIT

Evaluation Kit for the MAX3711

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MAX3711EVKIT

Evaluation Kit for the MAX3711

Evaluation Kit for the MAX3711

Features and Benefits

  • Software Control of the Device
  • Power Supplied through the USB or an External Connection
  • Connection for Lasers in TOSA Packages
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX3711 evaluation kit (EV kit) is a fully assembled and tested demonstration board that provides electrical and optical evaluation of the MAX3711, which is a 125Mbps to 3.125Gbps integrated limiting amplifier with a dual-loop laser driver. The controlling software communicates with the EV kit through the USB port of the included card and provides simplified control of all functions of the device. The EV kit can be fully powered by the USB port or the user can choose to power the device with an external 3.3V supply while the USB port supplies the included HFRD-46-1 USB daughter card. The laser connection on the evaluation board allows attachment of lasers in TOSA packages.

Applications

  • CPRI/OBSAI SFP/SFF Transceivers
  • CWDM SFP Transceivers
  • Ethernet SFP/SFF Transceivers
  • OC-3 to OC-48 SFP/SFF Transceivers

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