AD9265 datasheet(21/44 Pages) AD

21 / 44 page

AD9265

Rev. A | Page 21 of 44

100

150

200

250

300

INPUT FREQUENCY (MHz)

SNR @ –40°C

SFDR @ –40°C

SNR @ +25°C

SFDR @ +25°C

SNR @ +85°C

SFDR @ +85°C

Figure 42. AD9265-125 Single-Tone SNR/SFDR vs.

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

100

150

200

250

300

INPUT FREQUENCY (MHz)

SFDR

SNR

Figure 43. AD9265-125 Single-Tone SNR/SFDR vs.

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

–20

–40

–60

–80

–100

–120

–140

–90

–78

–66

–54

–42

–30

–18

–6

INPUT AMPLITUDE (dBFS)

SFDR (dBFS)

IMD3 (dBFS)

SFDR (dBc)

IMD3 (dBc)

Figure 44. AD9265-125 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)

with fIN1 = 29.1 MHz, fIN2 = 32.1 MHz, fS = 125 MSPS

–20

–40

–60

–80

–100

–120

–140

–90

–78

–66

–54

–42

–30

–18

–6

INPUT AMPLITUDE (dBFS)

SFDR (dBFS)

IMD3 (dBFS)

SFDR (dBc)

IMD3 (dBc)

Figure 45. AD9265-125 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)

with fIN1 = 169.1 MHz, fIN2 = 172.1 MHz, fS = 125 MSPS

–20

–40

–60

–80

–100

–120

–140

102030

5060

FREQUENCY (MHz)

125MSPS

29.1MHz @ –7dBFS

32.1MHz @ –7dBFS

SFDR = 94.9dBc (101.9dBFS)

Figure 46. AD9265-125 Two-Tone FFT with fIN1 = 29.1 MHz and fIN2 = 32.1 MHz

–20

–40

–60

–80

–100

–120

–140

102030

5060

FREQUENCY (MHz)

125MSPS

169.1MHz @ –7dBFS

172.1MHz @ –7dBFS

SFDR = 79.4dBc (86.4dBFS)

Figure 47. AD9265-125 Two-Tone FFT with fIN1 = 169.1 MHz and

fIN2 = 172.1 MHz

AD9265 Datasheet(PDF) 21 Page - Analog Devices

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