MAX3815 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX3815 Datasheet PDF : 11 Pages
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TMDS Digital Video Equalizer for DVI/HDMI
Cables
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +3.6V, TA = 0°C to +70°C. Typical Values are at VCC = +3.3V, external terminations = 50Ω ±1%, TMDS rate =
250Mbps to 1.65Gbps, TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Common-Mode Output Voltage
50Ω load, each side to VCC,
OUTLEVEL = HIGH
VCC -
0.25
V
Rise/Fall Time (Note 1)
20% to 80%
LVTTL CONTROL AND STATUS INTERFACE
LVTTL Input High Voltage
VIH
LVTTL Input Low Voltage
VIL
LVTTL Input High Current
LVTTL Input Low Current
Open-Collector Output High
Open-Collector Output Low
Open-Collector Output Sink
VIH(MIN) < VIN < VCC
GND < VIN < VIL(MAX)
RLOAD ≥ 10kΩ to VCC
RLOAD ≥ 2kΩ to VCC
80
130 200
ps
2.0
V
0.8
V
-50
µA
-100
µA
2.4
V
0.4
V
5
mA
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.
Note 3: Test pattern is a 27 - 1 PRBS + 20 ones + 27 - 1 PRBS (inverted) + 20 zeros.
Typical Operating Characteristics
(Typical values are at VCC = +3.3V, TA = +25°C, data pattern = 27 - 1 PRBS + 20 ones + 27 - 1 PRBS (inverted) + 20 zeros, unless
otherwise noted.)
200
190
180
170
160
150
140
130
120
110
100
0
SUPPLY CURRENT
vs. TEMPERATURE
OUTLEVEL = HIGH
OUTLEVEL = LOW
10 20 30 40 50 60 70
TEMPERATURE (°C)
DIFFERENTIAL INPUT RETURN LOSS
vs. FREQUENCY
0
-5
-10
EQUALIZER INPUT AFTER 205ft OF GORE 89
CABLE (TOP) EQUALIZER OUTPUT (BOTTOM)
MAX3815 toc03
DATA RATE = 1.65Gbps
40dB CABLE SKIN-EFFECT LOSS AT 825MHz
-15
128mV/div
-20
-25
-30
-35
350mV/div
-40
-45
-50
0
500 1000 1500 2000 2500 3000
FREQUENCY (MHz)
5ns/div
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