AD9653 datasheet(16/42 Pages) AD

16 / 42 page

Data Sheet

AD9653

Rev. E | Page 15 of 41

–20

100

120

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

INPUT AMPLITUDE (dBFS)

SFDRFS

SNRFS

SFDR

SNR

Figure 13. SNR/SFDR vs. Input Amplitude (AIN), fIN = 9.7 MHz,

fSAMPLE = 125 MSPS, VREF = 1.0 V

–30

–60

–15

–45

–75

–90

–105

–120

–135

F2 – F1

F1 + F2

2F2 + F1

2F1 + F2

F2 – F1

2F1 – F2

FREQUENCY (MHz)

Figure 14. Two-Tone 16k FFT with fIN1 = 70.5 MHz and fIN2 = 72.5 MHz,

fSAMPLE = 125 MSPS, VREF = 1.0 V

IMD3 (dBc)

–120

–100

–80

–60

–40

–20

–90

–70

–50

–30

–10

INPUT AMPLITUDE (dBFS)

IMD3 (dBFS)

SFDR (dBFS)

SFDR (dBc)

Figure 15. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with

fIN1 = 70.5 MHz and fIN2 = 72.5 MHz, fSAMPLE = 125 MSPS, VREF = 1.0 V

100

120

100

120

140

160

180

200

INPUT FREQUENCY (MHz)

SNR (dBFS)

SFDR (dBc)

Figure 16. SNR/SFDR vs. fIN, fSAMPLE = 125 MSPS, Clock Divider = 8, VREF = 1.0 V

100

–40

–20

TEMPERATURE (C)

SFDR (dBc)

SNR (dBFS)

Figure 17. SNR/SFDR vs. Temperature, fIN = 9.7 MHz,

fSAMPLE = 125 MSPS, VREF = 1.0 V

OUTPUT CODE

–4.5

–3.0

–1.5

1.5

3.0

4.5

Figure 18. INL, fIN = 9.7 MHz, fSAMPLE = 125 MSPS, VREF = 1.0 V

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