Data Sheet
AD9653
Rev. 0 | Page 17 of 40
VREF = 1.3 V
Figure 24. Single-Tone 16k FFT with fIN = 9.7 MHz,
fSAMPLE = 125 MSPS, VREF = 1.3 V
Figure 25. Single-Tone 16k FFT with fIN = 15 MHZ,
fSAMPLE = 125 MSPS, VREF = 1.3 V
Figure 26. Single-Tone 16k FFT with fIN = 64 MHz,
fSAMPLE = 125 MSPS, VREF = 1.3 V
Figure 27. Single-Tone 16k FFT with fIN = 70 MHz,
fSAMPLE = 125 MSPS, VREF = 1.3 V
Figure 28. Single-Tone 16k FFT with fIN = 128 MHz,
fSAMPLE = 125 MSPS, VREF = 1.3 V
Figure 29. Single-Tone 16k FFT with fIN = 200.5 MHz,
fSAMPLE = 125 MSPS, VREF = 1.3 V
0
–30
–60
–15
–45
–75
–90
–105
–120
–135
0
12
+
2
3
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6
18
6
24
30
36
42
48
60
54
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
125MSPS
9.7MHz AT –1dBFS
SNR = 79.1dB (80.1dBFS)
SFDR = 93.5dBc
10538-
024
0
–30
–60
–15
–45
–75
–90
–105
–120
–135
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12
+
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6
24
30
36
42
48
60
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A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
125MSPS
15MHz AT –1dBFS
SNR = 78.3dB (79.3dBFS)
SFDR = 94.5dBc
10538-
025
0
–30
–60
–15
–45
–75
–90
–105
–120
–135
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12
+
2
3
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5
6
18
6
24
30
36
42
48
60
54
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
125MSPS
64MHz AT –1dBFS
SNR = 76.9dB (77.9dBFS)
SFDR = 82.6dBc
10538-
026
0
–30
–60
–15
–45
–75
–90
–105
–120
–135
0
12
+
2
3
4
5
6
18
6
24
30
36
42
48
60
54
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
125MSPS
70MHz AT –1dBFS
SNR = 76.7dB (77.7dBFS)
SFDR = 82.1dBc
10538-
027
0
–30
–60
–15
–45
–75
–90
–105
–120
–135
0
12
+
2
3
4
5 6
18
6
24
30
36
42
48
60
54
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
125MSPS
128MHz AT –1dBFS
SNR = 73.5dB (74.5dBFS)
SFDR = 86.7dBc
10538-
028
0
–30
–60
–15
–45
–75
–90
–105
–120
–135
0
12
+
2
3
4
5
18
6
24
30
36
42
48
60
54
A
MPL
IT
U
D
E
(d
B
F
S)
FREQUENCY (MHz)
125MSPS
200.5MHz AT –1dBFS
SNR = 71.1dB (72.1dBFS)
SFDR = 73.7dBc
10538-
029
6