AD9681 datasheet(17/41 Pages) AD

17 / 41 page

AD9681

Data Sheet

Rev. C | Page 16 of 40

TYPICAL PERFORMANCE CHARACTERISTICS

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30405060

FREQUENCY (MHz)

AIN = –1dBFS

fIN = 9.7MHz

SNR = 74.99dBFS

SINAD = 73.96dBc

SFDR = 96.4dBc

Figure 11. Single-Tone 32k FFT with fIN = 9.7 MHz; fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

AIN = –1dBFS

fIN = 19.7MHz

SNR = 74.77dBFS

SINAD = 73.7dBc

SFDR = 94.2dBc

Figure 12. Single-Tone 32k FFT with fIN = 19.7 MHz; fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

AIN = –1dBFS

fIN = 69.5MHz

SNR = 73.85dBFS

SINAD = 72.76dBc

SFDR = 90dBc

Figure 13. Single-Tone 32k FFT with fIN = 69.5 MHz; fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

AIN = –1dBFS

fIN = 139.5MHz

SNR = 71.73dBFS

SINAD = 70.63dBc

SFDR = 87.9dBc

Figure 14. Single-Tone 32k FFT with fIN = 139.5 MHz; fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

AIN = –1dBFS

fIN = 201MHz

SNR = 69.71dBFS

SINAD = 68.56dBc

SFDR = 84.1dBc

Figure 15. Single-Tone 32k FFT with fIN = 201 MHz; fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

AIN = –1dBFS

fIN = 301MHz

SNR = 66.97dBFS

SINAD = 65.22dBc

SFDR = 75.8dBc

Figure 16. Single-Tone 32k FFT with fIN = 301 MHz; fSAMPLE = 125 MSPS

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