MAX3815 데이터 시트보기 (PDF) - Maxim Integrated

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MAX3815

TMDS Digital Video Equalizer for DVI/HDMI Cables

Maxim Integrated 

19-3466; Rev 2; 2/08

EVAALVUAAILTAIOBNLEKIT

TMDS Digital Video Equalizer for DVI/HDMI

Cables

General 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 sig-

nals 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 sig-

nal. The outputs include a disable function or the

equalizer can be powered down to conserve power.

For direct chip-to-chip communication, the output dri-

vers can be switched to one-half the DVI output specifi-

cation 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.

Applications

Front-Projector DVI/HDMI Inputs

High-Definition Televisions and Displays

DVI-D/HDMI Cable-Extender Modules and Active

Cable Assemblies

LCD Computer Monitors

Pin Configuration appears at end of data sheet.

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

Ordering Information

PART

TEMP

RANGE

MAX3815CCM 0°C to +70°C

MAX3815CCM+ 0°C to +70°C

+Denotes lead-free package.

*EP = Exposed pad.

PIN-

PACKAGE

48 TQFP-EP*

48 TQFP-EP*

PKG

CODE

C48E-8

C48E-8

Typical Application Circuits

VIDEO PROJECTOR

LAPTOP

VGA INPUT

DVI-D INPUT

MAX3815

EQUALIZER

DVI-D CABLE UP

TO 36m OR 120ft

(28AWG STP)

Typical Application Circuits continued at end of data sheet.

RGB/HV

ADC/SYNC

TMDS

DESERIALIZER

IMAGE

SCALER AND

PROCESSOR

PANEL

INTERFACE

TIMING AND

DRIVERS

LCD,

DLP,

OR

LCOS

DVI is a trademark of Digital Display Working Group.

HDMI is a trademark of HDMI Licensing, LLC.

PanelLink and TMDS are registered trademarks of Silicon Image, Inc.

________________________________________________________________ Maxim Integrated Products 1

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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