AD8197A_15 Datasheet, PDF (9/28 Pages) Analog Devices – 4:1 HDMI/DVI Switch with Equalization

AD8197A
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 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 2⁷ − 1, data rate = 2.25 Gbps, unless
otherwise noted.
EYE DIAGRAMS
DIGITAL
PATTERN
GENERATOR
HDMI CABLE
AD8197A
EVALUATION
BOARD
SERIAL DATA
ANALYZER
SMA COAX CABLE
REFERENCE EYE DIAGRAM AT TP1
TP1
TP2
TP3
Figure 4. Test Circuit Diagram for Rx Eye Diagram
0.125UI/DIV AT 2.25Gbps
Figure 5. Rx Eye Diagram at TP2 (Cable = 2 meters, 30 AWG)
0.125UI/DIV AT 2.25Gbps
Figure 7. Rx Eye Diagram at TP3, EQ = 6 dB (Cable = 2 meters, 30 AWG)
0.125UI/DIV AT 2.25Gbps
Figure 6. Rx Eye Diagram at TP2 (Cable = 20 meters, 24 AWG)
0.125UI/DIV AT 2.25Gbps
Figure 8. Rx Eye Diagram at TP3, EQ = 12 dB (Cable = 20 meters, 24 AWG)
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