MAX3815A Просмотр технического описания (PDF) - Maxim Integrated
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MAX3815A Datasheet PDF : 11 Pages
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TMDS Digital Video Equalizer for
HDMI/DVI Cables
Typical Operating Characteristics (continued)
(Typical values are at VCC = +3.3V, TA = +25°C, data pattern = 27 - 1 PRBS + 20 ones + 27 - 1 PRBS (inverted) + 20 zeros, equalizer
in automatic mode, cable launch amplitude 1VP-P differential, unless otherwise noted.)
EQUALIZER INPUT AFTER 100ft OF 26 AWG
CABLE (TOP) EQUALIZER OUTPUT (BOTTOM)
MAX3815A toc03
DATA RATE = 2.25Gbps
30dB CABLE SKIN-EFFECT LOSS AT 1.11GHz
EQUALIZER INPUT EYE AFTER 100ft OF 26 AWG
CABLE (TOP) EQUALIZER OUTPUT (BOTTOM)
MAX3815A toc04
DATA RATE = 2.25Gbps
30dB CABLE SKIN-EFFECT LOSS AT 1.11GHz
20mV/div
350mV/div
500mV/div
5ns/div
100ps/div
EQUALIZER INPUT EYE AFTER 150ft OF 26 AWG
CABLE (TOP) EQUALIZER OUTPUT (BOTTOM)
MAX3815A toc05
DATA RATE = 742.5Mbps
24dB CABLE SKIN-EFFECT LOSS AT 370MHz
350mV/div
300ps/div
TOTAL JITTER vs. DATA RATE
(50m HDMI CABLE)
200
0.5 MAX3815A toc06
DVIGear SHR™ HDMI CABLE (22 AWG)
180
160
PEAK-TO-PEAK JITTER
0.4
140
IN PICOSECONDS
120
0.3
100
80
0.2
60
40
20
0
250
PEAK-TO-PEAK JITTER
IN UNIT INTERVALS
750
1250
1750
DATA RATE (Mbps)
0.1
0
2250
SHR is a trademark of DVIGear, Inc.
TOTAL JITTER vs. POWER-SUPPLY NOISE
FREQUENCY (DATA RATE = 2.25Gbps)
180
NOISE AMPLITUDE: 200mVP-P
170 DATA THROUGH 50m DVIGear SHR
HDMI CABLE, 22 AWG
160
150
140
130
120
110
100
1
10
100
1000
FREQUENCY (kHz)
10,000
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