AD9640 datasheet(24/54 Pages) AD

24 / 54 page

AD9640

Rev. B | Page 22 of 52

120

100

–90

–80

–70

–60

–50

–40

–30

–20

–10

INPUT AMPLITUDE (dBFS)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dBc)

85dB REFERENCE LINE

Figure 28. AD9640-150 Single-Tone SNR/SFDR vs. Input Amplitude (AIN)

with fIN = 2.3 MHz

120

100

–90

–80

–70

–60

–50

–40

–30

–20

–10

INPUT AMPLITUDE (dBFS)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dBc)

85dB REFERENCE LINE

Figure 29. AD9640-150 Single-Tone SFDR vs. Input Amplitude with

fIN = 98.12 MHz

INPUT FREQUENCY (MHz)

450

100

150

200

250

300

350

400

SFDR = +25°C

SFDR = –40°C

SFDR = +85°C

SNR = –40°C

SNR = +25°C

SNR = +85°C

Figure 30. AD9640-150 Single-Tone SNR/SFDR vs.

Input Frequency (fIN) and Temperature with 2 V p-p Full Scale

INPUT FREQUENCY (MHz)

450

100

150

200

250

300

350

400

SFDR = +25°C

SFDR = –40°C

SFDR = +85°C

SNR = –40°C

SNR = +25°C

SNR = +85°C

Figure 31. AD9640-150 Single-Tone SNR/SFDR vs.

Input Frequency (fIN) and Temperature with 1 V p-p Full Scale

0.8

–1.0

–40

TEMPERATURE (°C)

0.6

0.4

0.2

–0.2

–0.4

–0.6

–0.8

–20

2040

6080

GAIN

OFFSET

Figure 32. AD9640 Gain and Offset vs. Temperature

–100

–80

–60

–40

–20

–120

–90

–78

–66

–54

–42

–30

–18

INPUT AMPLITUDE (dBFS)

–6

SFDR (dBFS)

IMD3 (dBFS)

SFDR (dBc)

IMD3 (dBc)

Figure 33. AD9640-150 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)

with fIN1 = 29.1 MHz, fIN2 = 32.1 MHz, fS = 150 MSPS

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