Features and Benefits

  • Link Features
    • Span 20m with 24AWG, 15m with 28AWG
    • Span 0.5m of FR4 on Each Host
    • 1.6W Total Power with 3.3V Supply
    • Loopback Function
  • Cable Driver Features
    • Selectable Output Preemphasis
    • FR4 Input Equalization
    • Signal Detect for Each Channel
    • Output Disable
  • Cable Receiver Features
    • Selectable FR4 Output Preemphasis
    • Cable Input Equalization
    • Signal Detect for Each Channel
    • Output Disable

Product Details

The MAX3983 is a quad copper-cable signal conditioner that operates from 2.5Gbps to 3.2Gbps. It provides compensation for 4x copper InfiniBand® and 10Gbase-CX4 Ethernet links, allowing spans of 20m with 24AWG and 15m with 28AWG. The cable driver section provides four selectable preemphasis levels. The input to the cable driver compensates for up to 0.5m of FR4 circuit board material. The cable receiver section provides additional fixed input equalization while offering selectable preemphasis to drive FR4 circuit boards up to 0.5m.

The MAX3983 also features signal detection on all eight inputs and internal loopback that allows for diagnostic testing. It is packaged in a 10mm x 10mm, 68-pin QFN and operates from 0°C to +85°C.


  • 10G Fibre Channel XAUI (4 x 3.1875Gbps)
  • 10Gbase-CX4 Ethernet (4 x 3.125Gbps)
  • 4x Copper-Cable or Backplane Transmission (1Gbps to 3.2Gbps)
  • 4x InfiniBand® (4 x 2.5Gbps)

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Product Recommendations

MAX3983 Companion Parts

Recommended Related Parts

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

Sample & Buy

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Buy Now Pricing

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List Pricing

(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


Lead Times

Please see the latest communication from our CCO regarding lead times.



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