AD9484 datasheet(12/25 Pages) AD

12 / 25 page

AD9484

Rev. A | Page 11 of 24

100

150

200

250

300

350

400

450

500

550

SAMPLE RATE (MSPS)

SFDR (dBc), 30.3MHz

SFDR (dBc), 100.3MHz

SNR (dBFS), 30.3MHz

SNR (dBFS), 100.3MHz

Figure 10. SNR/SFDR vs. Sample Rate; 30.3 MHz, 100.3 MHz

100

–50

–45

–40

–35

–30

–25

–20

–15

–10

–5

AMPLITUDE (dB)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dB)

Figure 11. SNR/SFDR vs. Input Amplitude; 500 MSPS,140.3 MHz

–0.10

–0.08

–0.06

–0.04

–0.02

0.02

0.04

0.06

0.08

0.10

128

192

256

OUTPUT CODE

Figure 12. INL, 500 MSPS

–0.10

–0.08

–0.06

–0.04

–0.02

0.02

0.04

0.06

0.08

0.10

128

192

256

OUTPUT CODE

Figure 13. DNL, 500 MSPS

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0.29 LSB rms

N – 3

N – 2

N – 1

N + 1

N + 2

N + 3

BINS

Figure 14. Grounded Input Histogram, 500 MSPS

–100

–80

–60

–40

–20

–10

–90

–70

–50

–30

80 100 120 140 160 180

FREQUENCY (MHz)

500MSPS

119.5MHz AT –7.0dBFS

122.5MHz AT –7.0dBFS

200 220 240

SFDR: 77dBc

Figure 15. 64k Point, Two-Tone FFT; 500 MSPS,

119.2 MHz, 122.5 MHz

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