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MAX3805
10.7Gbps Adaptive Receive Equalizer

Tiny, Adaptive 10.7Gbps Equalizer Designed to Provide Up to 30in (0.75m) Reach on 6-mil Differential FR-4 Transmission Line, or Up to (8m) on RG-188a/U-Type Coaxial Cable for PRBS Data from 9.95Gbps to 10.7Gbps


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 232kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail


Description
The MAX3805 is designed to provide up to 30in (0.75m) reach on 6-mil differential FR-4 transmission line, or up to 24ft (8m) on RG-188A/U type coaxial cable, for PRBS data from 9.95Gbps to 10.7Gbps. The MAX3805 adaptive equalizer reduces intersymbol interference, resulting in 20ps residual jitter after equalization. An internal feedback network controls the equalizer to automatically match frequency-dependent skin effect and dielectric losses. The MAX3805 provides LVCMOS-compatible output-enable and signal-detect functions.

The MAX3805 has separate supply connections for the internal logic and I/O circuits. This allows the current-mode logic (CML) input and CML output to be connected to isolated supplies for independent DC-coupled interfaces to 1.8V, 2.5V, or 3.3V ICs. The MAX3805 comes in a very small 3mm x 3mm package and consumes only 135mW.

An evaluation kit is available:  MAX3805EVKIT  

Key Features   Applications/Uses
  • 3mm x 3mm Package
  • Spans 30in (0.75m) of 6-mil FR-4
  • Spans 24ft (8m) of Coax
  • Automatic Receive Equalization to Reduce ISI Caused by Path Losses
  • Up to 10.7Gbps NRZ Data Operating Range
  • Signal-Detect Output
  • Output-Enable Control
  • 135mW Power Consumption
  • DC-Coupled Input and Output to Terminations as Low as 1.65V
  • Differential or Single-Ended Operation
  • +3.3V Core Power Supply

 
  • High-Speed Signal Distribution
  • OC-192, 10GbE Serial Modules
  • OC-192, 10GbE Switches and Routers

    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)
    Package/Pins Smallest Available Pckg.
    (mm2)
    Oper. Temp.
    (°C)
    Price
    min max typ max w/pins See Notes
    MAX3805  0 10700 0.8m FR4 3.3 CML 1 20
    TQFN/16
    10 -40 to +85 $10.95 @1k
    See All Equalizers (Cable and Circuit Board) (18)

    Diagram
    MAX3805: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 3455: HFTA-11.0: Spectral Content of NRZ Test Patterns - MAX3805

    Evaluation Kits
  • MAX3805EVKIT

    Design Guides
  • Fiber (PDF)

    Reliability Reports
  • Show FIT data for:
  • Request Reliability Report for:

    Software/Models
  • MAX3805ETE IBIS Model
  • MAX3805ETE SPICE Input/Output Model

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-4 of 4

    MAX3805 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3805ETE#TG16    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX3805ETE#G16    
    Active TQFN;16 pin;10 mm²
    Outline Drawing: 21-0136 (PDF)
    Land Pattern: 90-0033 (PDF)
    Use pkgcode/variation: T1633FH-3*
    -40°C to +85°C RoHS/Lead-Free: RoHS Qualified
    Materials Analysis
    MAX3805ETE  
    Active TQFN;16 pin;10 mm²
    Outline Drawing: 21-0136 (PDF)
    Land Pattern: 90-0033 (PDF)
    Use pkgcode/variation: T1633F-3*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3805ETE-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet

    More Information
  • Topmark Coding: MAX3805
  • New Product Press Release 2003-08-19 

    Related Products
    MAX3785 6.25Gbps, 1.8V PC Board Equalizer
    MAX3804 12.5Gbps Settable Receive Equalizer
    MAX3784, MAX3784A 5Gbps PCB Equalizer

    More Like This: View Product Families for Similar Products

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    Document Ref.: 19-2936; Rev 1; 2006-03-30
    This page last modified: 2009-10-08


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