AD6674 datasheet(16/91 Pages) AD

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AD6674

Data Sheet

FREQUENCY (MHz)

–120

–100

–80

–60

–40

–20

500

400

300

200

100

AIN1 AND AIN2 = –7dBFS

SFDR = 88dBFS

IMD2 = 93dBFS

IMD3 = 88dBFS

BUFFER CONTROL 1 = 4.5×

Figure 18. Two-Tone FFT; fIN1 = 338 MHz, fIN2 = 341 MHz

–84

–90

–78 –72 –66 –60 –54 –48 –42 –36 –30 –24 –18 –12 –6

INPUT AMPLITUDE (dBFS)

–140

–120

–100

–80

–60

–40

–20

IMD3 (dBFS)

SFDR (dBFS)

SFDR (dBc)

IMD3 (dBc)

Figure 19. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)

with fIN1 = 184 MHz and fIN2 = 187 MHz

–84

–90

–78 –72 –66 –60 –54 –48 –42 –36 –30 –24 –18 –12 –6

INPUT AMPLITUDE (dBFS)

–140

–120

–100

–80

–60

–40

–20

SFDR (dBc)

SFDR (dBFS)

IMD3 (dBc)

IMD3 (dBFS)

Figure 20. Two-Tone IMD3/SFDR vs. Input Amplitude (AIN) with fIN1 = 338 MHz

and fIN2 = 341 MHz

–84

–90

–78 –72 –66 –60 –54 –48 –42 –36 –30 –24 –18 –12 –6

INPUT AMPLITUDE (dBFS)

–20

–10

110

100

SNR (dBFS)

SFDR (dBFS)

SFDR (dBc)

SNR (dBc)

Figure 21. SNR/SFDR vs. Input Amplitude (AIN), fIN = 170.3 MHz

TEMPERATURE (°C)

–50 –40 –30 –20 –10

SFDR

SNR

Figure 22. SNR/SFDR vs. Temperature, fIN = 170.3 MHz

2.9

3.0

3.1

SAMPLE RATE (MSPS)

3.2

3.3

3.4

3.5

L = 4

M = 2

F = 1

Figure 23. Power Dissipation vs. Sampel Rate (fS) (Default SPI)

Rev. B | Page 16 of 91

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