AD6674 datasheet(22/91 Pages) AD

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AD6674

Data Sheet

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FREQUENCY (MHz)

AIN1 AND AIN2 = –7dBFS

SFDR = 88dBFS

IMD2 = 88dBFS

IMD3 = 89dBFS

BUFFER CONTROL 1 = 4.5×

Figure 54. Two-Tone FFT; fIN1 = 338 MHz, fIN2 = 341 MHz

INPUT AMPLITUDE (dBFS)

–90 –84 –78 –72 –66 –60 –54 –48 –42 –36 –30 –24 –18 –12 –6

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–100

–80

–60

–40

–20

SFDR (dBc)

IMD3 (dBFS)

Figure 55. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 184 MHz

and fIN2 = 187 MHz

INPUT AMPLITUDE (dBFS)

–90 –84 –78 –72 –66 –60 –54 –48 –42 –36 –30 –24 –18 –12 –6

–120

–100

–80

–60

–40

–20

SFDR (dBc)

IMD3 (dBFS)

Figure 56. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)

with fIN1 = 338 MHz and fIN2 = 341 MHz

–20

–10

100

110

INPUT AMPLITUDE (dBFS)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dBc)

Figure 57. SNR/SFDR vs. Input Amplitude (AIN), fIN = 170.3 MHz

–40

–15

TEMPERATURE (°C)

SFDR

SNR

Figure 58. SNR/SFDR vs. Temperature, fIN = 170.3 MHz

1.90

1.95

2.00

2.05

2.10

2.15

2.20

2.25

2.30

2.35

2.40

SAMPLE RATE (MSPS)

L = 4

M = 2

F = 1

L = 2

M = 2

F = 2

Figure 59. Power Dissipation vs. Sample Rate (fS) (Default SPI)

Rev. B | Page 22 of 91

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