AD6653 datasheet(21/80 Pages) AD

21 / 80 page

AD6653

Rev. 0 | Page 21 of 80

120

100

–90

–10

–20

–30

–40

–50

–60

–70

–80

INPUT AMPLITUDE (dBFS)

SFDR (dBc)

SFDR (dBFS)

SNR (dBFS)

SNR (dBc)

85dB

REFERENCE LINE

Figure 31. AD6653-150 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with

fIN = 2.4 MHz, fNCO = 18.75 MHz

120

100

–90

–10

–20

–30

–40

–50

–60

–70

–80

INPUT AMPLITUDE (dBFS)

SFDR (dBc)

SFDR (dBFS)

SNR (dBFS)

SNR (dBc)

85dB

REFERENCE LINE

Figure 32. AD6653-150 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with

fIN = 98.12 MHz, fNCO = 100.49 MHz

0450

400

350

300

250

200

150

100

INPUT FREQUENCY (MHz)

SFDR = +25°C

SFDR = +85°C

SFDR = –40°C

SNR = +25°C

SNR = +85°C

SNR = –40°C

Figure 33. AD6653-125 Single-Tone SNR/SFDR vs. Input Frequency (fIN) and

Temperature with DRVDD = 1.8 V

400

350

300

250

200

150

100

INPUT FREQUENCY (MHz)

SFDR = +25°C

SFDR = +85°C

SFDR = –40°C

SNR = +25°C

SNR = +85°C

SNR = –40°C

Figure 34. AD6653-125 Single-Tone SNR/SFDR vs. Input Frequency (fIN) and

Temperature with DRVDD = 3.3 V

–1.5

–4.0

–3.5

–3.0

–2.5

–2.0

0.5

0.1

0.2

0.3

0.4

–40

–20

TEMPERATURE (°C)

OFFSET

GAIN

Figure 35. AD6653-150 Gain and Offset vs. Temperature

–120

–100

–80

–60

–40

–20

–90

–78

–66

–54

–42

–30

–18

–6

INPUT AMPLITUDE (dBFS)

SFDR (dBc)

IMD3 (dBc)

SFDR (dBFS)

IMD3 (dBFS)

Figure 36. AD6653-150 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with

fIN1 = 29.12 MHz, fIN2 = 32.12 MHz, fS = 150 MSPS, fNCO = 22 MHz

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