MAX3814CHJT Maxim Integrated Products, MAX3814CHJT Datasheet

MAX3814CHJT

Manufacturer Part Number

MAX3814CHJT

Description

TQFP

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX3814CHJT.pdf (13 pages)

Specifications of MAX3814CHJT

Date_code

10+

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The MAX3814 TMDS

FR-4 and cable losses up to the DVI™/HDMI™ transmit

connector and provides a fully compliant DVI/HDMI

TMDS output. The device can also be used in DVI/HDMI

cable applications to extend reach and improve jitter

margin of cable channels at the receive-side connector.

The on-chip TMDS drivers operate at a standard cur-

rent level for implementing a typical DVI/HDMI non-

back-terminated transmitter, as well as a 50% higher

current mode for using a 200Ω back termination resis-

tor (nonmatching) to achieve a 10dB return loss.

Typical DVI/HDMI output drivers contribute to reflection

problems between the connector and a typical high-

impedance (open) DVI/HDMI Tx output. The selectable

output current (LEVEL pin) gives the option of partial

back termination (e.g., differentially connected 200Ω) to

mitigate the reflection problem effectively while keeping

common-mode offset to a minimum.

The 4-channel implementation treats all channels identi-

cally. To allow board layout flexibility for DVI and HDMI

connectors, which have different channel order, the

clock and data channels can be arbitrarily assigned.

The MAX3814 operates from a 3.3V power supply,

standard for DVI/HDMI applications, and is packaged

in a 5mm x 5mm x 0.1mm, 32-pin TQFP package.

19-0813; Rev 1; 9/07

TMDS is a registered trademark of Silicon Image, Inc.

DVI is a trademark of Digital Display Working Group. HDMI is a trademark of HDMI Licensing, LCC.

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.

Laptop PC TMDS Equalizer and Driver

Docking Station TMDS Equalizer and Driver

Cable TMDS Equalizer

INA+/-

MAX3814

INB+/-

________________________________________________________________ Maxim Integrated Products

TERMINATED TO V

INC+/-

IND+/-

General Description

EQ/driver IC compensates for

EQUALIZER

Applications

AMPLIFIER

DVI/HDMI TMDS FR-4 and

LIMITING

♦ Equalizes FR-4 Board Microstrip and Cable HF

♦ Compatible with HDMI 1.3

♦ Less Than 0.2UI

♦ Input Terminations: 50Ω (Each Side to V

♦ Output of Driver is a Fully DVI/HDMI TMDS-

♦ Output Amplitude: 1.05V

♦ Enable Pin to Select Normal Operation or Power-

♦ LEVEL Pin to Select Output Current for Use With

♦ 32-Pin TQFP for Four Channels; Any Channel Can

♦ V

+ Denotes a lead-free package.

Pin Configuration appears at end of data sheet.

MAX3814CHJ+

Cable Equalizer/Driver

Losses Up to 15dB at 825MHz for Operation at

0.25Gbps to 1.65Gbps

0 to 15dB Channel Loss at 825MHz

Compatible Cable Driver

Down Mode

or Without Back Termination

Be Either a TMDS Data or Clock Signal

Ratings of 5.5V (for Fault Conditions)

PART

= 3.3V; Signal Pins Have Absolute Max

Simplified Functional Diagram

OUTPUT LEVEL CONTROL

DRIVER 1

LEVEL

TEMP RANGE

0°C to +70°C

P-P

Ordering Information

Residual Jitter at 1.65Gbps for

P-P

OUTA+/-

ENABLE

OUTB+/-

Differential

PIN-

PACKAGE

32 TQFP

OUTC+/-

OUTD+/-

Features

CODE

H32+1

) ±10%

PKG

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