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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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Status Explanations for product status codes

Active: In Production.

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.

 

Data Sheet

Download this datasheet in PDF formatDownload Rev 2 (PDF, 332kB)
Send this datasheet to any email addressE-Mail
An evaluation kit is available: MAX3815EVKIT-DVI MAX3815EVKIT-HDMI

Key Features

  • 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
 

Applications/Uses

  • 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 Data Rate
(Mbps)
Max. Reach @ Max. Data Rate VSUPPLY
(V)
ICC
(mA)
I/O Type Channels Rx Eq. @ Max. Rate
(dB)
EV Kit Package/Pins Smallest Available Pckg.
(mm2)
Budgetary Price
max typ typ max w/pins See Notes
MAX3815  1650 50m Cable 3.3 165 CML 1 40 Yes
TQFP-EP/48
82.8 $4.95 @1k
See All Digital Video Equalizers/Drivers (4)
Pricing 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.

Equalizers (Cable and Circuit Board)
Part Number Applications 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)
Budgetary Price
max typ max w/pins See Notes
MAX3815 
Copper Cable Interconnect
HDMI/DVI
Printed Circuit Board Interconnect
1650 50m Cable 3.3 CML 1 40
TQFP-EP/48
82.8 0 to +70 $4.95 @1k
See All Equalizers (Cable and Circuit Board) (21)
Pricing 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.


Diagram

MAX3815: Functional Diagram
Functional Diagram

Application Notes

Application Note 3353   HFAN-04.5.4: 'Jitter Happens' when a Twisted Pair is Unbalanced
Application Note 3455   HFTA-11.0: Spectral Content of NRZ Test Patterns
Application Note 3834   HFTA-13.0: Designing External Cabling for Low EMI Radiation
Application Note 3854   MAX3815: Interfacing to the MAX3815 DVI/HDMI Cable Equalizer
Application Note 3935   MAX3815: Increase the Reach of HDMI and DVI Cables with the MAX3815 TMDS Equalizer and MAX3816A DDC Extender
Application Note 4218   Unbalanced Twisted Pairs Can Give You the Jitters!
Reference Design 4282   HFRD-33.0 HDMI and DVI, 4 x 4 Crosspoint Switch

Product Guides

Video (PDF)

Reliability Reports

Reliability Report: MAX3815.pdf
Show FIT data for:

Software/Models

MAX3815 SPICE Input/Output Model
MAX3815CCM IBIS Model

Ordering Information

Filters: Part Number: Package: Temperature: Tape and Reel Sample
Part Number Free
Sample
Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX3815CCM+D  
Active TQFP-EP;48 pin;82.8 mm²
Outline Drawing:21-0065 (PDF)
Land Pattern: 90-0138 (PDF)
Use pkgcode/variation: C48E+8*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX3815CCM+DG05    
Active TQFP;

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX3815CCM+TD    
Active TQFP-EP;48 pin;82.8 mm²
Outline Drawing:21-0065 (PDF)
Land Pattern: 90-0138 (PDF)
Use pkgcode/variation: C48E+8*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX3815CCM+TDG05    
Active TQFP-EP;48 pin;82.8 mm²
Outline Drawing:21-0065 (PDF)
Land Pattern: 90-0138 (PDF)
Use pkgcode/variation: C48E+8*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX3815CCM-D    
Active TQFP-EP;48 pin;82.8 mm²
Outline Drawing:21-0065 (PDF)
Land Pattern: 90-0138 (PDF)
Use pkgcode/variation: C48E-8*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX3815CCM-TD    
Active TQFP;48 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX3815HDMIEVKIT+    
Active KIT;

Land Pattern: Not Available

See data sheet

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; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product 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.

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See All Digital Video Equalizers/Drivers (5 Products)
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Digital Video > Cable Equalizers

Evaluation Kits

MAX3815EVKIT-DVI MAX3815 Evaluation Kit for DVI Cables
MAX3815EVKIT-HDMI MAX3815 Evaluation Kit for HDMI Cables

Products with Similar Part Numbers

MAX3815EVKIT-DVI MAX3815 Evaluation Kit for DVI Cables
MAX3815A TMDS Digital Video Equalizer for HDMI/DVI Cables

More Information

New Product Press Release 2004-10-22 ]


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Information Index

Document Ref.: 19-3466 Rev 2; 2008-02-21
This page last modified: 2009-10-12


 


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