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MAX3787
1Gbps to 12.5Gbps Passive Equalizer for Backplanes and Cables


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 2.7MB)
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The MAX3787 is a 1Gbps to 12.5Gbps equalization network that compensates for transmission medium losses encountered with FR4 and cables. The equalization network is composed entirely of passive components and functions equally well for 8b/10b or scrambled signals. It is packaged in a small 1.5mm x 1.5mm chipscale package (UCSP™) that can be placed anywhere along the transmission medium to increase jitter margin for high-speed interconnects. Roughly the size of two 0603 components, the MAX3787 easily provides placement and routing flexibility.

At 8.5Gbps, the MAX3787 compensates for spans up to 18in of FR4 and 7m of cable. At 12.5Gbps, the MAX3787 compensates for spans up to 12in of FR4 and 3m of cable. Input and output impedance is 100Ω differential. The MAX3787 requires no power and operates over a -40°C to +125°C temperature range.

An evaluation kit is available:  MAX3787EVKIT  

Key Features   Applications/Uses
  • No Power Supply Required
  • Small 1.5mm x 1.5mm Chip-Scale Package
  • Passive Equalization Reduces ISI
  • Operates from 1Gbps to 12.5Gbps
  • Extends Board Link
  • Extends Cable Link
  • Coding Independent, 8b/10b or Scrambled

 
  • Backplane Interconnect Compensation
  • Cable Interconnect Compensation
  • Chassis Life Extension
  • Chip-to-Chip Link Extensions
  • Ethernet and Fibre Channel Serial Modules

    Key Specifications:  Equalizers (Cable and Circuit Board)
    Part Number Data Rate
    (Mbps)
    Data Rate
    (Mbps)
    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
    MAX3787  1000 12500 1 6 6
    UCSP/4
    WLP/4
    2 -40 to +85 $0.95 @1k
    See All Equalizers (Cable and Circuit Board) (18)

    Diagram
    MAX3787: Typical Operating Characteristics
    Typical Operating Characteristics

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    Document Ref.: 19-0406; Rev 2; 2008-02-21
    This page last modified: 2008-05-07


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