AD9833 datasheet(7/24 Pages) AD

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Data Sheet

AD9833

Rev. E | Page 7 of 24

TYPICAL PERFORMANCE CHARACTERISTICS

MCLK FREQUENCY (MHz)

5.5

5.0

3.0

3.5

4.0

4.5

TA = 25°C

VDD = 5V

VDD = 3V

Figure 6. Typical Current Consumption (IDD) vs. MCLK Frequency

for fOUT = MCLK/10

100

10k

100k

10M

fOUT (Hz)

VDD = 5V

VDD = 3V

Figure 7. Typical IDD vs. fOUT for fMCLK = 25 MHz

MCLK FREQUENCY (MHz)

–65

–60

–90

–70

–75

–80

–85

MCLK/7

MCLK/50

VDD = 3V

TA = 25°C

Figure 8. Narrow-Band SFDR vs. MCLK Frequency

–45

–40

–70

–50

–55

–60

–65

MCLK FREQUENCY (MHz)

MCLK/7

MCLK/50

VDD = 3V

TA = 25°C

Figure 9. Wideband SFDR vs. MCLK Frequency

fOUT/fMCLK

–30

–90

–80

–70

–60

–50

–40

–20

–10

fMCLK = 1MHz

fMCLK = 10MHz

0.001

0.01

0.1

100

fMCLK = 25MHz

VDD = 3V

TA = 25°C

fMCLK = 18MHz

Figure 10. Wideband SFDR vs. fOUT/fMCLK for Various MCLK Frequencies

MCLK FREQUENCY (MHz)

1.0

5.0

10.0

12.5

25.0

–60

–65

–70

–50

–55

–40

–45

VDD = 3V

TA = 25°C

fOUT = MCLK/4096

Figure 11. SNR vs. MCLK Frequency

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