TMDS Digital Video Equalizer for DVI/HDMI

Cables

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

Ω ±1%, TMDS rate =

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Common-Mode Output Voltage

50

OUTLEVEL = HIGH

0.25

V

Rise/Fall Time (Note 1)

20% to 80%

80

130

200

ps

LVTTL CONTROL AND STATUS INTERFACE

LVTTL Input High Voltage

2.0

V

LVTTL Input Low Voltage

0.8

V

LVTTL Input High Current

-50

µA

LVTTL Input Low Current

-100

µA

Open-Collector Output High

2.4

V

Open-Collector Output Low

0.4

V

Open-Collector Output Sink

5mA

Note 1: AC specifications are guaranteed by design and characterization.

Note 2: Cable input swing is 800mV to 1400mV differential peak-to-peak. Residual output jitter is defined as peak-to-peak determin-

istic jitter + 14.2 times random jitter.

Typical Operating Characteristics

otherwise noted.)

SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

50

30

40

20

10

110

120

130

140

150

160

170

180

190

200

100

070

OUTLEVEL = HIGH

OUTLEVEL = LOW

DIFFERENTIAL INPUT RETURN LOSS

vs. FREQUENCY

FREQUENCY (MHz)

2500

2000

1500

1000

500

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

-50

0

3000

EQUALIZER INPUT AFTER 205ft OF GORE 89

CABLE (TOP) EQUALIZER OUTPUT (BOTTOM)

MAX3815 toc03

5ns/div

128mV/div

350mV/div

DATA RATE = 1.65Gbps

40dB CABLE SKIN-EFFECT LOSS AT 825MHz