AD9655 datasheet(13/37 Pages) AD

13 / 37 page

Data Sheet

AD9655

–20

100

120

–90

–70

–50

–30

–10

INPUT AMPLITUDE (dBFS)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dB)

Figure 11. SNR, SFDR vs. Input Amplitude; fIN = 9.7 MHz, fSAMPLE = 125 MSPS,

VREF = 1.0 V

–20

–40

–60

–80

–100

–120

–140

FREQUENCY (MHz)

AIN = –7dBFS

fIN = 100.1MHz, 102.1MHz

IMD2 = –89.6dBc

IMD3 = –90.2dBc

SFDR = 89.6dBc

f1 – f2

f1 + V2

f2 – f1

f1 + f2

f1 + 2f2

Figure 12. Two-Tone 32k FFT with fIN1 = 100.1 MHz and fIN2 = 102.1 MHz,

fSAMPLE = 125 MSPS, VREF = 1.0 V

–140

–120

–100

–80

–60

–40

–20

–90

–70

–50

–30

–80

–60

–40

–20

–10

INPUT AMPLITUDE (dBFS)

–SFDR (dBc)

IMD3 (dBc)

–SFDR (dBFS)

IMD3 (dBFS)

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

fIN1 = 100.1 MHz and fIN2 = 102.1 MHz, fSAMPLE = 125 MSPS, VREF = 1.0 V

100

500

100

200

300

400

INPUT FREQUENCY (MHz)

SFDR (dBc)

SNR (dBFS)

Figure 14. SNR, SFDR vs. Input Frequency (fIN); fSAMPLE = 125 MSPS, VREF = 1.0 V

–40

–20

TEMPERATURE (°C)

SNR (dBFS)

SFDR (dBc)

Figure 15. SNR, SFDR vs. Temperature; fIN = 9.7 MHz, fSAMPLE = 125 MSPS,

VREF = 1.0 V

–5

–3

–1

–4

–2

OUTPUT CODE

10000

20000

30000

40000

50000

60000

Figure 16. INL; fIN = 9.7 MHz, fSAMPLE = 125 MSPS, VREF = 1.0 V

Rev. 0 | Page 13 of 37

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