AD6657ABBCZ datasheet(18/37 Pages) AD

18 / 37 page

Data Sheet

AD6657A

Figure 23. Two Tone SFDR/IMD3 vs. Input Amplitude (AIN),

fIN1 = 169.1 MHz and fIN2 = 172.1 MHz

Figure 24. Grounded Input Histogram

Figure 25. INL, fIN = 30.3 MHz

Figure 26. DNL, fIN = 30.3 MHz

Figure 27. SNR vs. Duty Cycle, fIN = 10.3 MHz

–20

–40

–60

–80

–100

–120

–90

–78

–66

–54

–42

–30

–18

–6

INPUT AMPLITUDE (dBFS)

IMD3 (dBFS)

SFDR (dBFS)

IMD3 (dBc)

SFDR (dBc)

2,500,000

2,000,000

1,500,000

1,000,000

500,000

N – 3

N – 2

N – 1

N + 1

N + 2

N + 3

OUTPUT CODE

1.0

0.8

0.6

0.4

0.2

–0.2

–0.4

–0.6

–0.8

–1.0

500

1000

1500

2000

OUTPUT CODE

0.20

0.15

0.10

0.05

–0.05

–0.10

–0.15

–0.20

500

1000

1500

2000

OUTPUT CODE

DUTY CYCLE (%)

Rev. A | Page 17 of 36

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