AD8191A Ver la hoja de datos (PDF) - Analog Devices

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AD8191A

4:1 HDMI/DVI Switch with Equalization

Analog Devices 

AD8191A

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 = 1.65 Gbps, unless

otherwise noted.

DIGITAL

PATTERN

GENERATOR

HDMI CABLE

AD8191A

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 1.65Gbps

Figure 5. Rx Eye Diagram at TP2 (Cable = 2 meters, 30 AWG)

0.125UI/DIV AT 1.65Gbps

Figure 7. Rx Eye Diagram at TP3, EQ = 6 dB (Cable = 2 meters, 30 AWG)

0.125UI/DIV AT 1.65Gbps

Figure 6. Rx Eye Diagram at TP2 (Cable = 20 meters, 24 AWG)

0.125UI/DIV AT 1.65Gbps

Figure 8. Rx Eye Diagram at TP3, EQ = 12 dB (Cable = 20 meters, 24 AWG)

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