AD9911SLASHPCB datasheet(15/44 Pages) AD

15 / 44 page

AD9911

Rev. 0 | Page 15 of 44

–100

START 0Hz

STOP 250MHz

–10

–20

–30

–40

–50

–60

–70

–80

–90

25MHz/

Figure 25. SpurKiller Disabled and Three Spurs Identified

–100

START 0Hz

STOP 250MHz

–10

–20

–30

–40

–50

–60

–70

–80

–90

25MHz/

Figure 26. SpurKiller Enabled with Three Spurs Reduced (see Figure 25)

–100

CENTER 20MHz

SPAN 40MHz

–10

–20

–30

–40

–50

–60

–70

–80

–90

4MHz/

Figure 27. Three Auxiliary Channels Perform Two-Level FSK with Profile Pins.

The three carriers are set to 10 MHz, 20 MHz, and 30 MHz using all three

auxiliary channels.

–45

–65

1.5

2.1

POWER SUPPLY VOLTAGE (V)

–50

–55

–60

1.6

1.7

1.8

1.9

2.0

fOUT = 98.7MHz

fOUT = 143.7MHz

fOUT = 197.7MHz

Figure 28. SFDR vs. Supply Voltage (AVDD)

–40

–65

DAC OUTPUT CURRENT LEVEL (% of Fullscale)

.000

–45

–50

–55

–60

0.125

0.250

0.375

0.500

0.625

0.750

0.875

fOUT = 98.7MHz

fOUT = 143.7MHz

fOUT = 197.7MHz

Figure 29. SFDR vs. DAC Output Current

–50

–66

TEMPERATURE (°C)

–40

-20

20406080

–52

–54

–56

–58

–60

–62

–64

fOUT = 98.7MHz

fOUT = 143.7MHz

fOUT = 197.7MHz

Figure 30. SFDR vs. Temperature

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