AD9608 datasheet(21/40 Pages) AD

21 / 40 page

AD9608

Rev. 0 | 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.

100

050

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

100

120

152535455565758595

105

SAMPLE RATE (MSPS)

SFDR (dBc)

SNR (dBFS)

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

–1.0

–0.5

0.5

1.0

OUTPUT CODE

1000

500

Figure 30. DNL Error with fIN = 9.7 MHz

–60

–50

–40

–30

–20

–10

INPUT AMPLITUDE (dBFS)

SNRFS

SFDR

SNR

SFDRFS

Figure 31. SNR/SFDR vs. Input Amplitude (AIN) with fIN = 9.7 MHz

100

120

152535

4555657585

105

SAMPLE RATE (MSPS)

SFDR (dBc)

SNR (dBFS)

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

–1.0

–0.5

0.5

1.0

200

400

600

800

1000

OUTPUT CODE

Figure 33. INL Error with fIN = 9.7 MHz

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