Datasheet

AD8197B
Rev. 0 | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 27°C, AVCC = 3.3 V, VTTI = 3.3 V, VTTO = 3.3 V, DVCC = 3.3 V, AMUXVCC = 5 V, AVEE = 0 V, DVEE = 0 V, differential input
swing = 1000 mV, TMDS outputs terminated with external 50 Ω resistors to 3.3 V, pattern = PRBS 2
7
− 1, data rate = 2.25 Gbps, unless
otherwise noted.
REFERENCE EYE DIAGRAM AT TP1
DIGITAL
PATTERN
GENERATOR
AD8197B
EVALUATION
BOARD
SERIAL DATA
ANALYZER
SMA COAX CABLE
HDMI CABLE
TP1 TP2 TP3
0
7015-004
Figure 4. Test Circuit Diagram for Rx Eye Diagram
0.125UI/DIV AT 2.25Gbps
250mV/DI
V
07015-005
Figure 5. Rx Eye Diagram at TP2 (Cable = 2 meters, 30 AWG)
0.125UI/DIV AT 2.25Gbps
250mV/DI
V
07015-006
Figure 6. Rx Eye Diagram at TP2 (Cable = 20 meters, 24 AWG)
0.125UI/DIV AT 2.25Gbps
250mV/DI
V
07015-007
Figure 7. Rx Eye Diagram at TP3, EQ = 6 dB (Cable = 2 meters, 30 AWG)
0.125UI/DIV AT 2.25Gbps
250mV/DI
V
07015-008
Figure 8. Rx Eye Diagram at TP3, EQ = 12 dB (Cable = 20 meters, 24 AWG)