AD9628 datasheet(21/43 Pages) AD

21 / 43 page

AD9628

Data Sheet

Rev. C | Page 20 of 42

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FREQUENCY (MHz)

2F1 – F2

2F2 – F1

2F1 + F2

Figure 14. Two-Tone FFT with fIN1 = 29 MHz and fIN2 = 32 MHz

100

150

200

250

ANALOG INPUT FREQUENCY (MHz)

SFDR AT 25°C

SNRFS AT 25°C

Figure 15. SNR/SFDR vs. Input Frequency (AIN) with 2 V p-p Full Scale

100

120

95 105 115 125

SAMPLE RATE (MSPS)

SNR (dBFS)

SFDR (dBc)

Figure 16. SNR/SFDR vs. Sample Rate with AIN = 9.7 MHz

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–

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–10

INPUT AMPLITUDE (dBFS)

IMD3 (dBc)

IMD3 (DBFS)

SFDR (dBFS)

SFDR (dBc)

Figure 17. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 29 MHz

and fIN2 = 32 MHz

100

–70

–60

–50

–40

–30

–20

–10

INPUT AMPLITUDE (dBFS)

SNRFS

SNR

SFDR

SFDRFS

Figure 18. SNR/SFDR vs. Input Amplitude (AIN) with fIN = 9.7 MHz

100

120

95 105 115 125

SAMPLE RATE (MSPS)

SNR (dBFS)

SFDR (dBc)

Figure 19. SNR/SFDR vs. Sample Rate with AIN = 70 MHz

AD9628 Datasheet(PDF) 21 Page - Analog Devices

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