AD8190-EVAL datasheet(9/24 Pages) AD

Il numero della parte	AD8190-EVAL

Spiegazioni elettronici	2:1 HDMI/DVI Switch with Equalization

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Produttore elettronici	AD [Analog Devices]

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AD8190

Rev. 0 | Page 9 of 24

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 = 1.65 Gbps, unless otherwise noted.

REFERENCE EYE DIAGRAM AT TP1

DIGITAL

PATTERN

GENERATOR

SMA COAX CABLE

HDMI CABLE

TP1

TP2

TP3

AD8190

EVALUATION

BOARD

SERIAL DATA

ANALYZER

Figure 9. Test Circuit Diagram for TX Eye Diagram

0.125UI/DIV AT 1.65Gbps

Figure 10. TX Eye Diagram at TP2, PE = 2 dB

0.125UI/DIV AT 1.65Gbps

Figure 11. TX Eye Diagram at TP2, PE = 6 dB

0.125UI/DIV AT 1.65Gbps

Figure 12. TX Eye Diagram at TP3, PE = 2 dB (Cable = 2 m, 30 AWG)

0.125UI/DIV AT 1.65Gbps

Figure 13. TX Eye Diagram at TP3, PE = 6 dB (Cable = 10 m, 28 AWG)

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