AD8197A Analog Devices, AD8197A Datasheet - Page 9

• Manufacturer Part Number: AD8197A
• Description: 4:1 HDMI/DVI Switch with Equalization
• Manufacturer: Analog Devices

TYPICAL PERFORMANCE CHARACTERISTICS
T
swing = 1000 mV, TMDS outputs terminated with external 50 Ω resistors to 3.3 V, pattern = PRBS 2
otherwise noted.
EYE DIAGRAMS
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
Figure 6. Rx Eye Diagram at TP2 (Cable = 20 meters, 24 AWG)
Figure 5. Rx Eye Diagram at TP2 (Cable = 2 meters, 30 AWG)
REFERENCE EYE DIAGRAM AT TP1
0.125UI/DIV AT 2.25Gbps
0.125UI/DIV AT 2.25Gbps
GENERATOR
PATTERN
DIGITAL
Figure 4. Test Circuit Diagram for Rx Eye Diagram
TP1
Rev. 0 | Page 9 of 28
HDMI CABLE
Figure 8. Rx Eye Diagram at TP3, EQ = 12 dB (Cable = 20 meters, 24 AWG)
Figure 7. Rx Eye Diagram at TP3, EQ = 6 dB (Cable = 2 meters, 30 AWG)
TP2
EVALUATION
AD8197A
BOARD
0.125UI/DIV AT 2.25Gbps
0.125UI/DIV AT 2.25Gbps
7
SMA COAX CABLE
− 1, data rate = 2.25 Gbps, unless
TP3
SERIAL DATA
ANALYZER
AD8197A