Data Sheet

AD9608

Rev. C | Page 21 of 40

AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, and DCS enabled, unless

otherwise noted.

50

55

60

65

70

75

80

85

90

95

100

0

50

100

150

200

250

ANALOG INPUT FREQUENCY (MHz)

SNRFS

SFDR

Figure 28. SNR/SFDR vs. Input Frequency (AIN) with 2 V p-p Full Scale

0

20

40

60

80

100

120

5

15

25

35

45

55

65

75

85

95

105

SAMPLE RATE (MSPS)

SFDR (dBc)

SNR (dBFS)

Figure 29. SNR/SFDR vs. Sample Rate with AIN = 9.7 MHz

–1.0

–0.5

0

0.5

1.0

0

OUTPUT CODE

1000

500

0

10

20

30

40

50

60

70

80

90

–60

–50

–40

–30

–20

–10

0

INPUT AMPLITUDE (dBFS)

SNRFS

SFDR

SNR

SFDRFS

0

20

40

60

80

100

120

5

15

25

35

45

55

65

75

85

95

105

SAMPLE RATE (MSPS)

SFDR (dBc)

SNR (dBFS)

Figure 32. SNR/SFDR vs. Sample Rate with AIN = 70 MHz

–1.0

–0.5

0

0.5

1.0

0

200

400

600

800

1000

OUTPUT CODE