AD9653 datasheet(18/40 Pages) AD

18 / 40 page

AD9653

Data Sheet

Rev. 0 | Page 18 of 40

Figure 30. Single-Tone 16k FFT with fIN = 15 MHz,

fSAMPLE = 80 MSPS, VREF = 1.3 V

Figure 31. Single-Tone 16k FFT with fIN = 64.5 MHz,

fSAMPLE = 80 MSPS, VREF = 1.3 V

Figure 32. SNR/SFDR vs. Input Amplitude (AIN), fIN = 9.7 MHz,

fSAMPLE = 125 MSPS, VREF = 1.3 V

Figure 33. Two-Tone 16k FFT with fIN1 = 70.5 MHz and fIN2 = 72.5 MHz,

fSAMPLE = 125 MSPS, VREF = 1.3 V

Figure 34. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with

fIN1 = 70.5 MHz and fIN2 = 72.5 MHz, fSAMPLE = 125 MSPS, VREF = 1.3 V

Figure 35. SNR/SFDR vs. fIN, fSAMPLE = 125 MSPS, Clock Divider = 8, VREF = 1.3 V

–30

–60

–15

–45

–75

–90

–105

–120

–135

FREQUENCY (MHz)

80MSPS

15MHz AT –1dBFS

SNR = 79.0dB (80.0dBFS)

SFDR = 90.5dBc

–30

–60

–15

–45

–75

–90

–105

–120

–135

FREQUENCY (MHz)

80MSPS

15MHz AT –1dBFS

SNR = 76.7dB (77.7dBFS)

SFDR = 82.1dBc

–20

100

120

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

INPUT AMPLITUDE (dBFS)

SFDRFS

SNRFS

SFDR

SNR

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–60

–15

–45

–75

–90

–105

–120

–135

F2 – F1

F1 + F2

2F2 + F1

2F1 + F2

2F2 – F1

2F1 – F2

FREQUENCY (MHz)

IMD3 (dBc)

–120

–100

–80

–60

–40

–20

–90

–70

–50

–30

–10

INPUT AMPLITUDE (dBFS)

IMD3 (dBFS)

SFDR (dBFS)

SFDR (dBc)

100

120

140

160

180

200

INPUT FREQUENCY (MHz)

SFDR (dBc)

SNR (dBFS)

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