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MAX3815CCM+D 数据手册 - Maxim Integrated(美信)
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Maxim Integrated(美信)
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主动器件
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TQFP-48
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MAX3815CCM+D数据手册
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MAX3815
TMDS Digital Video Equalizer for DVI/HDMI
Cables
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.0V to +3.6V, T
A
= 0°C to +70°C. Typical Values are at V
CC
= +3.3V, external terminations = 50Ω ±1%, TMDS rate =
250Mbps to 1.65Gbps, T
A
= +25°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Common-Mode Output Voltage
50Ω load, each side to V
CC
,
OUTLEVEL = HIGH
V
CC
-
0.25
V
Rise/Fall Time (Note 1) 20% to 80% 80 130 200 ps
LVTTL CONTROL AND STATUS INTERFACE
LVTTL Input High Voltage V
IH
2.0 V
LVTTL Input Low Voltage V
IL
0.8 V
LVTTL Input High Current V
IH(MIN)
< V
IN
< V
CC
-50 µA
LVTTL Input Low Current GND < V
IN
< V
IL(MAX)
-100 µA
Open-Collector Output High
R
LOAD
≥ 10kΩ to V
CC
2.4 V
Open-Collector Output Low
R
LOAD
≥ 2kΩ to V
CC
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.
Note 3: Test pattern is a 2
7
- 1 PRBS + 20 ones + 2
7
- 1 PRBS (inverted) + 20 zeros.
Typical Operating Characteristics
(Typical values are at V
CC
= +3.3V, T
A
= +25°C, data pattern = 2
7
- 1 PRBS + 20 ones + 2
7
- 1 PRBS (inverted) + 20 zeros, unless
otherwise noted.)
SUPPLY CURRENT
vs. TEMPERATURE
MAX3815 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
605030 402010
110
120
130
140
150
160
170
180
190
200
100
070
OUTLEVEL = HIGH
OUTLEVEL = LOW
DIFFERENTIAL INPUT RETURN LOSS
vs. FREQUENCY
MAX3815 toc02
FREQUENCY (MHz)
GAIN (dB)
2500200015001000500
-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
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