ADG3248BKS-R2 datasheet(6/12 Pages) AD

6 / 12 page

REV. 0

–6–

ADG3248

TA = 25 C

VCC = 3.3V/2.5V

VIN = 0dBm

N/W ANALYZER:

RL = RS = 50

–2

–1

–4

–3

0.03 0.1

1.0

FREQUENCY (MHz)

1000

100

–6

–7

–5

–8

TPC 10. Bandwidth vs. Frequency

–40

–20

TEMPERATURE ( C)

80 85

VCC = 2.5V

VCC = 3.3V

TPC 13. Transition Time vs.

Temperature

38.7mV/DIV

133.7ps/DIV

VCC = 3.3V

VIN = 2V p-p

20dB

ATTENUATION

TA = 25 C

TPC 16. Eye Pattern; 1.244 Gbps,

VCC = 3.3 V, PRBS 31

TA = 25 C

VCC = 3.3V/2.5V

VIN = 0dBm

N/W ANALYZER:

RL = RS = 50

–10

–30

–20

–50

–40

0.03 0.1

1.0

FREQUENCY (MHz)

1000

100

–70

–80

–60

–100

–90

TPC 11. Crosstalk vs. Frequency

DATA RATE (Gbps)

0.5

100

VCC = 3.3V

VA = 1.5V p-p

20dB ATTENUATION

0.7

0.9

1.1

1.3

1.5

1.7

1.9

TPC 14. Jitter vs. Data Rate;

PRBS 31

20mV/DIV

166.3ps/DIV

VCC = 2.5V

VIN = 1V p-p

20dB

ATTENUATION

TA = 25 C

TPC 17. Eye Pattern; 1 Gbps,

VCC = 2.5 V, PRBS 31

TA = 25 C

VCC = 3.3V/2.5V

VIN = 0dBm

N/W ANALYZER:

RL = RS = 50

–10

–30

–20

–50

–40

0.03 0.1

1.0

FREQUENCY (MHz)

1000

100

–70

–80

–60

–100

–90

TPC 12. Off Isolation vs.

Frequency

DATA RATE (Gbps)

0.5

100

1.5

1.3

1.1

0.9

0.7

1.7

1.9

VCC = 3.3V

VA = 1.5V p-p

20dB ATTENUATION

% EYE WIDTH = ((CLOCK PERIOD –

JITTER p-p)/CLOCK PERIOD)

100%

TPC 15. Eye Width vs. Data Rate;

PRBS 31

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