AD9625 datasheet(23/74 Pages) AD

23 / 74 page

Data Sheet

AD9625

Rev. C | Page 21 of 72

100

–90

–80

–70

–60

–50

–40

–30

–20

–10

AMPLITUDE (dB)

SFDR (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dB)

Figure 31. SNR/SFDR vs. Analog Input Amplitude at 2.5 GSPS, fIN = 1811 MHz

at AIN

3000

2500

2000

1500

1000

500

INPUT FREQUENCY (MHz)

–40°C

+25°C

+85°C

Figure 32. SNR at 2.5 GSPS vs. Temperature (Input Network in Figure 76 Used

<2 GHz, Input Network in Figure 75 Used >2 GHz)

3000

2500

2000

1500

1000

500

INPUT FREQUENCY (MHz)

–40°C

+25°C

+85°C

Figure 33. SFDR at 2.5 GSPS vs. Temperature (Input Network in Figure 76

Used <2 GHz, Input Network in Figure 75 Used >2 GHz)

120

100

–90

–10

–20

–30

–40

–50

–60

–70

–80

AMPLITUDE (dBFS)

IMD3 (dBFS)

SFDR (dBFS)

SFDR (dBc)

Figure 34. Two Tone SFDR and IMD3 vs. Analog Input Amplitude at 2.5 GSPS

at 1800 MHz AIN

120

100

–90

–10

–20

–30

–40

–50

–60

–70

–80

AMPLITUDE (dBFS)

IMD3 (dBFS)

SFDR (dBFS)

SFDR (dBc)

Figure 35. Two Tone SFDR and IMD3 vs. Analog Input Amplitude at 2.5 GSPS

at 230 MHz AIN

120

100

–90

–10

–20

–30

–40

–50

–60

–70

–80

AMPLITUDE (dBFS)

IMD3 (dBFS)

SFDR (dBFS)

SFDR (dBc)

Figure 36. Two Tone SFDR and IMD3 vs. Analog Input Amplitude at 2.5 GSPS

at 730 MHz AIN

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