AD9483SLASHPCB datasheet(12/26 Pages) AD

12 / 26 page

AD9483

–12–

REV. A

SNR

SINAD

fS = 140 MSPS

fIN = 19.3MHz

25%

1.8

28%

31%

2.2

38%

2.7

45%

3.2

52%

3.7

59%

4.2

66%

4.7

ENCODE DUTY CYCLE – %

ENCODE PULSEWIDTH – ns

73%

5.2

76%

5.4

Figure 28. SNR vs. Clock Pulsewidth (tPWH): fS = 140 MSPS

fIN – MHz

050

100

150

200

250

NYQUIST FREQUENCY

(70.0MHz)

SINAD

SNR

Figure 29. SNR vs. fIN: fS = 140 MSPS

TEMPERATURE – C

–25

–60

–56

–52

–48

–44

–40

100

Figure 30. 3rd Harmonic vs. Temperature, fS = 140 MSPS

SINAD

SNR

TEMPERATURE – C

–25

406080

100

Figure 31. SNR vs. Temperature, fS = 140 MSPS

TEMPERATURE – C

–25

–60

–55

–50

–45

–40

100

–65

–70

Figure 32. 2nd Harmonic vs. Temperature, fS = 140 MSPS

MHz

–90

100

–80

–70

–60

–50

–40

–30

–20

–10

F1 = 55.0MHz

F2 = 56.0MHz

F1 = F2 = –7.0dBFS

–100

Figure 33. Two Tone Intermodulation Distortion

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