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MAX3984
1Gbps to 10Gbps Preemphasis Driver with Receive Equalizer

Cable Driver Reduces Jitter in 8.5Gbps, 10Gbps Copper Interconnects


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 892kB)
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The MAX3984 is a single-channel, preemphasis driver with input equalization that operates from 1Gbps to 10.3Gbps. It provides compensation for copper links, such as 8.5Gbps Fibre Channel and 10.3Gbps Ethernet, allowing spans of up to 10m with 24 AWG cable. The driver provides four selectable preemphasis levels, and the selectable input equalizer compensates for up to 10in of FR-4 circuit board material at 10Gbps.

The MAX3984 also features SFP-compliant loss-of-signal (LOS) detection and TX_DISABLE. Selectable output swing reduces EMI and power consumption. The MAX3984 is packaged in a lead-free, 3mm x 3mm, 16-pin thin QFN and operates from a 0°C to +85°C temperature range.

An evaluation kit is available:  MAX3984EVKIT  

Key Features   Applications/Uses
  • Drives Up to 10m of 24 AWG Cable
  • Drives Up to 30in of FR-4
  • Selectable 1000mVP-P or 1200mVP-P Differential Output Swing
  • Selectable Output Preemphasis
  • Selectable Input Equalization
  • LOS Detection with Built-In Squelch
  • Transmit Disable
  • Hot Pluggable

 
  • 10.3Gbps Ethernet
  • 8.5Gbps Fibre Channel
  • Active Cable Assemblies
  • STM-64

    Key Specifications:  Equalizers (Cable and Circuit Board)
    Part Number Data Rate
    (Mbps)
    Data Rate
    (Mbps)
    Max. Reach @ Max. Data Rate VSUPPLY
    (V)
    I/O Type Channels Rx Eq. @ Max. Rate
    (dB)
    Tx Eq. @ Max. Rate
    (dB)
    Package/Pins Smallest Available Pckg.
    (mm2)
    Oper. Temp.
    (°C)
    Price
    min max typ typ max w/pins See Notes
    MAX3984  1000 10000
    0.8m FR4
    10m Cable
    3.3 CML 1
    6
    8
    14
    TQFN/16
    10 0 to +85 $6.95 @1k
    See All Equalizers (Cable and Circuit Board) (18)

    Diagram
    MAX3984: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-0868; Rev 0; 2007-08-08
    This page last modified: 2008-01-21


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