AD9832 datasheet(6/16 Pages) AD

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AD9832

–6–

REV. A

MCLK FREQUENCY – MHz

510

+5V

+3.3V

TA = +25 C

Figure 5. Typical Current Consump-

tion vs. MCLK Frequency

10MHz

fOUT/fMCLK

–40

–45

–80

0.1

0.4

0.2

0.3

–60

–65

–70

–75

–50

–55

AVDD = DVDD = +3.3V

25MHz

Figure 8. Wide Band SFDR vs. fOUT/

fMCLK for Various MCLK Frequencies

TEMPERATURE –

°C

7.5

–40

–30

–20

–10

5.0

2.5

AVDD = DVDD = +2.97V

Figure 11. Wake-Up Time vs.

Temperature

–Typical Performance Characteristics

MCLK FREQUENCY – MHz

–50

–55

–80

–60

–65

–75

–70

fOUT/fMCLK = 1/3

AVDD = DVDD = +3.3V

Figure 6. Narrow Band SFDR vs.

MCLK Frequency

MCLK FREQUENCY – MHz

AVDD = DVDD = +3.3V

fOUT = fMCLK/3

Figure 9. SNR vs. MCLK Frequency

VBW 1kHz

–70

–100

START 0Hz

RBW 300Hz

STOP 12.5MHz

ST 277 SEC

–10

–60

–80

–90

–40

–50

–20

–30

Figure 12. fMCLK = 25 MHz, fOUT = 1.1 MHz,

Frequency Word = B439581

MCLK FREQUENCY – MHz

–40

–45

–65

–50

–55

–60

fOUT/fMCLK = 1/3

AVDD = DVDD = +3.3V

Figure 7. Wide Band SFDR vs. MCLK

Frequency

10MHz

25MHz

fOUT/fMCLK

0.1

0.4

0.2

0.3

AVDD = DVDD = +3.3V

Figure 10. SNR vs. fOUT/fMCLK for Vari-

ous MCLK Frequencies

VBW 1kHz

–70

–100

START 0Hz

RBW 300Hz

STOP 12.5MHz

ST 277 SEC

–10

–60

–80

–90

–40

–50

–20

–30

Figure 13. fMCLK = 25 MHz, fOUT = 2.1 MHz,

Frequency Word = 15810625

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