AD9433(RevA) 查看數據表（PDF） - Analog Devices

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AD9433
(Rev.:RevA)

12-Bit, 105 MSPS/125 MSPS, IF Sampling ADC

Analog Devices 

0

–10

SNR = 66.8dB

SFDR = 83dBFS

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

7.5 15.0 22.5 30.0 37.5 45.0 52.5

FREQUENCY (MHz)

Figure 22. FFT: fS = 105 MSPS, fIN = 70.3 MHz, Differential AIN @ −0.5 dBFS,

SFDR Mode Enabled

0

–10

SNR = 67dB

SFDR = 80dBFS

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

7.5 15.0 22.5 30.0 37.5 45.0 52.5

FREQUENCY (MHz)

Figure 23. FFT: fS = 105 MSPS, fIN = 70.3 MHz, Differential AIN @ −0.5 dBFS,

SFDR Mode Disabled

0

–10

SNR = 65.5dB

SFDR = 78dBFS

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

6.2 12.5 18.7 25.0 31.2 37.5 43.7 50.0 56.2 62.5

FREQUENCY (MHz)

Figure 24. FFT: fS = 125 MSPS, fIN = 70.3 MHz, Differential AIN @ −0.5 dBFS,

SFDR Mode Enabled

AD9433

0

IMD3 = 85dBc

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

7.5

15.0 22.5 30.0 37.5 45.0

52.5

FREQUENCY (MHz)

Figure 25. FFT: fS = 105 MSPS, fIN = 69.3 MHz and 70.3 MHz,

Differential AIN @ −7 dBFS for Each Tone, SFDR Mode Enabled

110

100

90

80 SNR (dBFS)

SFDR (dBFS)

70

60

SFDR (dBc)

50

40 80dBFS REFERENCE LINE

30

20

fS = 105MSPS

fIN = 70.3MHz

10

DIFFERENTIAL AIN

SFDR ENABLED

0

–90 –80 –70 –60 –50 –40 –30 –20 –10 0

AIN LEVEL (dBFS)

Figure 26. SNR and SFDR vs. AIN Level, fS = 105 MSPS, fIN = 70.3 MHz,

Differential AIN, SFDR Mode Enabled

–110

–100

–90

–80

–70

–60

–50

–90 –80 –70 –60 –50 –40 –30 –20 –10 0

AIN LEVEL (dBFS)

Figure 27. Third-Order IMD vs. AIN Level, fS = 105 MSPS, fIN = 70.3 MHz

and 69.3 MHz, Differential AIN, SFDR Mode Enabled

Rev. A | Page 11 of 20

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