AD9430 datasheet(21/45 Pages) AD

21 / 45 page

AD9430

Rev. E | Page 20 of 44

AVDD (V)

2.5

3.1

2.7

2.9

3.3

3.5

3.7

3.9

1.250

1.225

1.230

1.245

1.240

1.235

Figure 36. VREF Output Voltage vs. AVDD

TEMPERATURE (°C)

–50

–30

–10

THIRD

SECOND

SFDR

SNR

SINAD

Figure 37. SNR, SINAD, and SFDR vs. Temperature

(AIN = 10.3 MHz @ –0.5 dBFS, 170 MSPS)

TEMPERATURE (°C)

–45

–5

–25

AVDD = 3.6

AVDD = 3.3

AVDD = 3.135

AVDD = 3.0

Figure 38. SINAD vs. Temperature, AVDD

(AIN = 70 MHz @ –0.5 dB, 210 MSPS, LVDS Mode)

CODE

4000

500

1500

2500

3000

1000

2000

3500

1.00

–1.00

0.75

–0.75

0.25

–0.25

0.50

–0.50

Figure 39. Typical INL Plot (AIN = 10.3 MHz @ –0.5 dBFS, 170 MSPS, LVDS)

CODE

4000

500

1500

2500

3000

1000

2000

3500

1.00

–1.00

0.75

–0.75

0.25

–0.25

0.50

–0.50

Figure 40. Typical DNL Plot (AIN = 10.3 MHz @ –0.5 dBFS)

ANALOG INPUT LEVEL (dBFS)

–100

–70

–50

–30

–20

–60

–40

–10

–80

–90

100

SFDR –dBFS

SFDR –dBc

80dB

REFERENCE LINE

Figure 41. SFDR vs. AIN Input Level ,

AIN @ 10.3 MHz, 170 MSPS, LVDS Mode

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