Datasheet

Data Sheet AD9228
Rev. E | Page 17 of 56
SNR/SFDR (dB)
05727-065
0
10
20
30
40
50
60
70
80
90
100
–60 –50 –40 –30 –20 –10 0
f
IN
= 10.3MHz
f
SAMPLE
=40MSPS
2V p-p, SFDR
2V p-p, SNR
80dB
REFERENCE
ANALOG INPUT LEVEL (dBFS)
Figure 27. SNR/SFDR vs. Analog Input Level, f
IN
= 10.3 MHz, f
SAMPLE
= 40 MSPS
SNR/SFDR (dB)
ANALOG INPUT LEVEL (dBFS)
05727-066
0
10
20
30
40
50
60
70
80
90
100
–60 –50 –40 –30 –20 –10 0
f
IN
= 35MHz
f
SAMPLE
= 40MSPS
2V p-p, SFDR
2V p-p, SNR
80dB
REFERENCE
Figure 28. SNR/SFDR vs. Analog Input Level, f
IN
= 35 MHz, f
SAMPLE
= 40 MSPS
SNR/SFDR (dB)
05727-068
0
10
20
30
40
50
60
70
80
90
100
–60 –50 –40 –30 –20 –10 0
f
IN
= 10.3MHz
f
SAMPLE
= 65MSPS
2V p-p, SFDR
2V p-p, SNR
80dB
REFERENCE
ANALOG INPUT LEVEL (dBFS)
Figure 29. SNR/SFDR vs. Analog Input Level, f
IN
= 10.3 MHz, f
SAMPLE
= 65 MSPS
SNR/SFDR (dB)
05727-070
0
10
20
30
40
50
60
70
80
90
100
–60 –50 –40 –30 –20 –10 0
f
IN
= 35MHz
f
SAMPLE
= 65MSPS
2V p-p, SFDR
2V p-p, SNR
ANALOG INPUT LEVEL (dBFS)
80dB
REFERENCE
Figure 30. SNR/SFDR vs. Analog Input Level, f
IN
= 35 MHz, f
SAMPLE
= 65 MSPS
–40
–60
–80
–100
–20
0
–120
0 2 4 6 8 101214161820
05727-049
AMPLITUDE (dBFS)
FREQUENCY (MHz)
AIN1 AND AIN2 = –7dBFS
SFDR = 80.75dBc
IMD2 = 85.53dBc
IMD3 = 80.83dBc
Figure 31. Two-Tone 32k FFT with f
IN1
= 15 MHz and f
IN2
= 16 MHz,
f
SAMPLE
= 40 MSPS
–40
–60
–80
–100
–20
0
–120
0 2 4 6 8 101214161820
05727-050
AMPLITUDE (dBFS)
FREQUENCY (MHz)
AIN1 AND AIN2 = –7dBFS
SFDR = 74.76dBc
IMD2 = 81.03dBc
IMD3 = 75.00dBc
Figure 32. Two-Tone 32k FFT with f
IN1
= 70 MHz and f
IN2
= 71 MHz,
f
SAMPLE
= 40 MSPS