AD8197B Analog Devices, AD8197B Datasheet - Page 10

• Manufacturer Part Number: AD8197B
• Description: 4:1 HDMI/DVI Switch with Equalization
• Manufacturer: Analog Devices

AD8197B
T
swing = 1000 mV, TMDS outputs terminated with external 50 Ω resistors to 3.3 V, pattern = PRBS 2
otherwise noted.
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
REFERENCE EYE DIAGRAM AT TP1
Figure 10. Tx Eye Diagram at TP2, PE = 2 dB
Figure 11. Tx Eye Diagram at TP2, PE = 6 dB
0.125UI/DIV AT 2.25Gbps
0.125UI/DIV AT 2.25Gbps
GENERATOR
PATTERN
DIGITAL
SMA COAX CABLE
Figure 9. Test Circuit Diagram for Tx Eye Diagrams
Rev. 0 | Page 10 of 28
TP1
EVALUATION
AD8197B
BOARD
TP2
Figure 12. Tx Eye Diagram at TP3, PE = 2 dB (Cable = 2 meters, 30 AWG)
Figure 13. Tx Diagram at TP3, PE = 6 dB (Cable = 10 meters, 28 AWG)
HDMI CABLE
0.125UI/DIV AT 2.25Gbps
0.125UI/DIV AT 2.25Gbps
7
− 1, data rate = 2.25 Gbps, unless
TP3
SERIAL DATA
ANALYZER