AD9637 datasheet(12/41 Pages) AD

12 / 41 page

Data Sheet

AD9637

Rev. A | Page 11 of 40

TYPICAL PERFORMANCE CHARACTERISTICS

AD9637-80

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FREQUENCY (MHz)

80MSPS

9.7MHz AT –1dBFS

SNR = 70.8dB (71.8dBFS)

SFDR = 92.7dBc

Figure 6. Single-Tone 16k FFT with fIN = 9.7 MHz, fSAMPLE = 80 MSPS

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FREQUENCY (MHz)

80MSPS

63.5MHz AT –1dBFS

SNR = 70.5dB (71.5dBFS)

SFDR = 93.2dBc

Figure 7. Single-Tone 16k FFT with fIN = 63.5 MHz, fSAMPLE = 80 MSPS, CLK

Divider = 8

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FREQUENCY (MHz)

F2 – F1

2F1 – F2

2F2 – F1

2F1 + F2

F1 + F2

2F2 + F1

Figure 8. Two-Tone 16k FFT with fIN1 = 30 MHz and fIN2 = 32 MHz,

fSAMPLE = 80 MSPS

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FREQUENCY (MHz)

80MSPS

19.7MHz AT –1dBFS

SNR = 70.7dB (71.7dBFS)

SFDR = 90.1dBc

Figure 9. Single-Tone 16k FFT with fIN = 19.7 MHz, fSAMPLE = 80 MSPS, CLK

Divider = 8

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FREQUENCY (MHz)

80MSPS

30.5MHz AT –1dBFS

SNR = 70.7dB (71.7dBFS)

SFDR = 90.7dBc

Figure 10. Single-Tone 16k FFT with fIN = 30.5 MHz, fSAMPLE = 80 MSPS, CLK

Divider = 8

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FREQUENCY (MHz)

80MSPS

123.5MHz AT –1dBFS

SNR = 69.6dB (70.6dBFS)

SFDR = 90.3dBc

Figure 11. Single-Tone 16k FFT with fIN = 123.5 MHz, fSAMPLE = 80 MSPS, CLK

Divider = 8

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