AD9645 datasheet(15/36 Pages) AD

15 / 36 page

Data Sheet

AD9645

Rev. 0 | Page 15 of 36

AD9645-125

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FREQUENCY (MHz)

125MSPS

9.7MHz AT –1dBFS

SNR = 74.2dB (75.2dBFS)

SFDR = 93.7dBc

Figure 26. Single-Tone 16k FFT with fIN = 9.7 MHz, fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

125MSPS

30.5MHz AT –1dBFS

SNR = 73.9dB (74.9dBFS)

SFDR = 96.8dBc

Figure 27. Single-Tone 16k FFT with fIN = 30.5 MHz, fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

125MSPS

70.2MHz AT –1dBFS

SNR = 73.2dB (74.2dBFS)

SFDR = 92.1dBc

Figure 28. Single-Tone 16k FFT with fIN = 70.2 MHz, fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

125MSPS

139.5MHz AT –1dBFS

SNR = 71.2dB (72.2dBFS)

SFDR = 90.7dBc

Figure 29. Single-Tone 16k FFT with fIN = 139.5 MHz, fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

125MSPS

200.5MHz AT –1dBFS

SNR = 69.4dB (70.4dBFS)

SFDR = 81.5dBc

Figure 30. Single-Tone 16k FFT with fIN = 200.5 MHz, fSAMPLE = 125 MSPS

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FREQUENCY (MHz)

125MSPS

200.5MHz AT –1dBFS

SNR = 70.6dB (71.6dBFS)

SFDR = 81.3dBc

Figure 31. Single-Tone 16k FFT with fIN = 200.5 MHz, fSAMPLE = 125 MSPS,

Clock Divide = Divide-by-8

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