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MAX3815
TMDS Digital Video Equalizer for DVI/HDMI Cables

Cable Equalizer IC Extends DVI/HDMI Reach Beyond 30m


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Data Sheet
FULL DATA SHEET (PDF, 332kB)
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Description
The MAX3815 cable equalizer automatically provides compensation for DVI™, HDMI™, DFP, PanelLink®, and ADC cables. It extends the usable cable distance up to 36 meters. The MAX3815 is designed to equalize signals encoded in the transition-minimized differential signaling (TMDS®) format.

The MAX3815 features four CML-differential inputs and outputs (three data and one clock). It provides a loss-of-signal (LOS) output that indicates loss-of-clock signal. The outputs include a disable function or the equalizer can be powered down to conserve power. For direct chip-to-chip communication, the output drivers can be switched to one-half the DVI output specification to conserve power and reduce EMI. Equalization can be automatic or set to manual control for specific in-cable applications.

The MAX3815 is available in a 7mm x 7mm, 48-pin TQFP-EP package and operates over a 0°C to +70°C temperature range.

Key Features   Applications/Uses
  • Extends TMDS Cable Reach to Projectors or Monitors Using DVI, DFP, PanelLink, ADC, or HDMI Interfaces
  • Extends TMDS Interface Length as Follows:
    • 0 to 50 Meters Over DVI-Cable, 24 AWG STP (Shielded-Twisted Pair)
    • 0 to 36 Meters Over DVI-Cable, 28 AWG STP
    • 0 to 30 Meters Over DVI-Cable, 30 AWG STP
  • Compatible with DTV Resolutions 480i, 480p, 720p, 1080i, and 1080p
  • Compatible with Computer Resolutions VGA, SVGA, XGA, SXGA, UXGA
  • Fully Automatic Equalization Up to 40dB at 825MHz (1.65Gbps), No System Control Required
  • 3.3V Power Supply
  • Power Dissipation of 0.6W (typ)
  • 7mm x 7mm 48-Pin TQFP Lead-Free Package

 
  • DVI/HDMI Cable-Extender Modules and Active Cable Assemblies
  • Front-Projector DVI/HDMI Inputs
  • High-Definition Televisions and Displays
  • LCD Computer Monitors

    Key Specifications:   Digital Video Equalizers/Drivers
    Part Number Min. Data Rate (Mbps) Max. Data Rate (Mbps) Max. Reach @ Max. Data Rate Supply Voltage (V) Typ. Supply Current (mA) I/O Type Channels Per Part Typ. Rx Eq. @ Max. Rate (dB) EV-Kit Package Price**
    MAX3815  0 1650 50m Cable 3.3 165 CML 1 40 Yes TQFP/48 $4.95 @ 1k
    See All Digital Video Equalizers/Drivers (4)

    Key Specifications:   Equalizers (Cable and Circuit Board)
    Part Number Min. Data Rate (Mbps) Max. Data Rate (Mbps) Max. Reach @ Max. Data Rate Supply Voltage (V) I/O Type Channels Per Part Typ. Rx Eq. @ Max. Rate (dB) Package Operating Temp. Range (°C) Price**
    MAX3815  0 1650 50m Cable 3.3 CML 1 40 TQFP/48 0 to +70 $4.95 @ 1k
    See All Equalizers (Cable and Circuit Board) (18)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Application Notes
  • Application Note 3353: HFAN-04.5.4: 'Jitter Happens' when a Twisted Pair is Unbalanced - MAX3815
  • Application Note 3455: HFTA-11.0: Spectral Content of NRZ Test Patterns - MAX3815
  • Application Note 3834: HFTA-13.0: Designing External Cabling for Low EMI Radiation - MAX3815
  • Application Note 3854: MAX3815: Interfacing to the MAX3815 DVI/HDMI Cable Equalizer - MAX3815
  • Application Note 3935: MAX3815: Increase the Reach of HDMI and DVI Cables with the MAX3815 TMDS Equalizer and MAX3816A DDC Extender - MAX3815
  • Application Note 4282: HFRD-33.0 HDMI and DVI, 4 x 4 Crosspoint Switch - MAX3815

    Evaluation Kits
  • MAX3815EVKIT

    Design Guides
  • VIDEO (PDF)
  • FIBER (PDF)

    Reliability Reports
  • Request Reliability Report for:

    Software/Models
  • MAX3815 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: 1-6 of 6

    MAX3815 Free
    Sample
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    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3815CCM+DG05  



    0°C to +70°C See data sheet
    MAX3815CCM+TDG05  
    TQFP;48 pin;
    Dwg: 21-0065 (PDF)
    Use pkgcode/variation: C48E+8*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3815CCM-D  
    TQFP;48 pin;
    Dwg: 21-0065 (PDF)
    Use pkgcode/variation: C48E-8*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3815CCM-TD  
    TQFP;48 pin;
    Dwg: 21-0065 (PDF)
    Use pkgcode/variation: C48E-8*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3815CCM+D  
    TQFP;48 pin;
    Dwg: 21-0065 (PDF)
    Use pkgcode/variation: C48E+8*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3815CCM+TD  
    TQFP;48 pin;
    Dwg: 21-0065 (PDF)
    Use pkgcode/variation: C48E+8*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • New Product Press Release 2004-10-22 

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    Document Ref.: 19-3466; Rev 2; 2008-02-21
    This page last modified: 2008-06-03



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