AD9609

Rev. 0 | Page 12 of 32

AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, 50% duty

cycle clock, DCS disabled, unless otherwise noted.

85

80

75

70

65

60

55

50

0

50

100

150

200

AIN FREQUENCY (MHz)

SNR (dBFS)

SFDR (dBc)

Figure 10. AD9609-80 SNR/SFDR vs. Input Frequency (AIN) with 2 V p-p Full Scale

85

80

75

70

65

60

0

102030405060

70

80

SAMPLE RATE (MHz)

SNR (dBFS)

SFDR (dBc)

Figure 11. AD9609-80 SNR/SFDR vs. Sample Rate with AIN = 9.7 MHz

90

SNR

SNRFS

SFDR

80

60

40

20

10

0

–60

–50

–30

–10

0

INPUT AMPLITUDE (dBc)

70

50

30

–40

–20

SFDRFS

0.20

0.08

–0.08

0.12

–0.12

0.16

–0.16

–0.20

0.04

–0.04

0

24

224

424

624

824

1024

OUTPUT CODE

0

0.2

–0.2

0.4

–0.4

0.6

–0.6

0.8

–0.8

1.0

–1.0

OUTPUT CODE

24

224

424

624

824

1024