AD9259 datasheet(17/53 Pages) AD

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AD9259

Data Sheet

Rev. E | Page 16 of 52

ENCODE (MSPS)

2V p-p, SNR

2V p-p, SFDR

Figure 21. SNR/SFDR vs. Encode, fIN = 10.3 MHz, fSAMPLE = 50 MSPS

ENCODE (MSPS)

2V p-p, SNR

2V p-p, SFDR

Figure 22. SNR/SFDR vs. Encode, fIN = 35 MHz, fSAMPLE = 50 MSPS

ANALOG INPUT LEVEL (dBFS)

100

–60

–50

–40

–30

–20

–10

fIN = 10.3MHz

fSAMPLE = 50MSPS

2V p-p, SFDR

2V p-p, SNR

80dB

REFERENCE

Figure 23. SNR/SFDR vs. Analog Input Level, fIN = 10.3 MHz, fSAMPLE = 50 MSPS

ANALOG INPUT LEVEL (dBFS)

100

–60

–50

–40

–30

–20

–10

fIN = 35MHz

fSAMPLE = 50MSPS

2V p-p, SFDR

2V p-p, SNR

80dB

REFERENCE

Figure 24. SNR/SFDR vs. Analog Input Level, fIN = 35 MHz, fSAMPLE = 50 MSPS

–120

–20

–40

–60

–80

–100

FREQUENCY (MHz)

AIN1 AND AIN2 = –7dBFS

SFDR = 87.76dBc

IMD2 = 90.18dBc

IMD3 = 87.27dBc

Figure 25. Two-Tone 32k FFT with fIN1 = 15 MHz and fIN2 = 16 MHz,

fSAMPLE = 50 MSPS

–120

–20

–40

–60

–80

–100

FREQUENCY (MHz)

AIN1 AND AIN2 = –7dBFS

SFDR = 80.37dBc

IMD2 = 79.75dBc

IMD3 = 84.50dBc

Figure 26. Two-Tone 32k FFT with fIN1 = 70 MHz and fIN2 = 71 MHz,

fSAMPLE = 50 MSPS

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