AD9656EBZ datasheet(16/47 Pages) AD

16 / 47 page

Data Sheet

AD9656

Rev. A | Page 15 of 46

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INPUT AMPLITUDE (dBFS)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dB)

Figure 11. SNR/SFDR vs. Input Amplitude (AIN), fIN = 9.7 MHz,

fSAMPLE = 125 MSPS, VREF = 1.4 V

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FREQUENCY (MHz)

F2 – F1

AIN = –7dBFS

fIN1 = 70.5MHz

fIN2 = 72.5MHz

IMD2 = –98dBc

IMD3 = –84dBc

SFDR = 84dBc

F1 + F2

F1 + 2F2

2F1 + F2

2F2 – F1

2F1 – F2

Figure 12. Two-Tone 32k FFT with fIN1 = 70.5 MHz and fIN2 = 72.5 MHz,

fSAMPLE = 125 MSPS, VREF = 1.4 V

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INPUT AMPLITUDE (dBFS)

IMD3 (dBc)

–SFDR (dBc)

–SFDR (dBFS)

IMD3 (dBFS)

Figure 13. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with

fIN1 = 70.5 MHz and fIN2 = 72.5 MHz, fSAMPLE = 125 MSPS, VREF = 1.4 V

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250

300

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400

450

500

INPUT FREQUENCY (MHz)

SFDR (dBc)

SNR (dBFS)

Figure 14. SNR/SFDR vs. Input Frequency (fIN), fSAMPLE = 125 MSPS,

VREF = 1.4 V

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110

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TEMPERATURE (°C)

SNR (dBFS)

SFDR (dBc)

Figure 15. SNR/SFDR vs. Temperature, fIN = 9.7 MHz,

fSAMPLE = 125 MSPS, VREF = 1.4 V

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30000

40000

50000

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OUTPUT CODE

Figure 16. Integral Nonlinearity (INL), fIN = 9.7 MHz, fSAMPLE = 125 MSPS,

VREF = 1.4 V

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