Datasheet

AD8195 Data Sheet
Rev. B | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 27°C, AVCC = 3.3 V, VTTI = 3.3 V, VTTO = 3.3 V, AVEE = 0 V, differential input swing = 1000 mV, pattern = PRBS 2
7
− 1,
TMDS outputs terminated with external 50 Ω resistors to 3.3 V, unless otherwise noted.
REFERENCE EYE DIAGRAM AT TP1
DIGITAL
PATTERN
GENERATOR
AD8195
EVALUATION
BOARD
SERIAL DATA
ANALYZER
SMA COAX CABLE
HDMI CABLE
TP1
TP2 TP3
07049-104
Figure 4. Test Circuit Diagram for Rx Eye Diagrams
0.125UI/DIV AT 2.25Gbps
250mV/DIV
07049-105
Figure 5. Rx Eye Diagram at TP2
(Cable = 2 Meters, 24 AWG, Data Rate = 2.25 Gbps)
0.167UI/DIV AT 3.0Gbps
250mV/DIV
07049-206
Figure 6. Rx Eye Diagram at TP2
(Cable = 2 Meters, 24 AWG, Data Rate = 3 Gbps)
0.125UI/DIV AT 2.25Gbps
250mV/DIV
07049-107
Figure 7. Rx Eye Diagram at TP3, EQ = 12 dB
(Cable = 2 Meters, 24 AWG, Data Rate = 2.25 Gbps)
0.167UI/DIV AT 3.0Gbps
250mV/DIV
07049-208
Figure 8. Rx Eye Diagram at TP3, EQ = 12 dB
(Cable = 2 Meters, 24 AWG, Data Rate = 3 Gbps)