Analog Devices AD9637 Evaluation Board AD9637-80EBZ AD9637-80EBZ Data Sheet
Product codes
AD9637-80EBZ
AD9637
Data Sheet
Rev. A | Page 14 of 40
AD9637-40
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
2
4
6
8
10
12
14
16
18
A
MPL
IT
U
D
E (d
B
F
S)
FREQUENCY (MHz)
40MSPS
9.7MHz AT –1dBFS
SNR = 71.0dB (72.0dBFS)
SFDR = 96.9dBc
9.7MHz AT –1dBFS
SNR = 71.0dB (72.0dBFS)
SFDR = 96.9dBc
10215-
020
Figure 21. Single-Tone 16k FFT with f
IN
= 9.7 MHz, f
SAMPLE
= 40 MSPS
2
4
6
8
10
12
14
16
18
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
A
MPL
IT
U
D
E (d
B
F
S)
FREQUENCY (MHz)
40MSPS
30.5MHz AT –1dBFS
SNR = 70.9dB (7.19dBFS)
SFDR = 95.87dBc
30.5MHz AT –1dBFS
SNR = 70.9dB (7.19dBFS)
SFDR = 95.87dBc
10215-
021
Figure 22. Single-Tone 16k FFT with f
IN
= 30.5 MHz, f
SAMPLE
= 40 MSPS , CLK
Divider = 8
2
4
6
8
10
12
14
16
18
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
A
MPL
IT
U
D
E (d
B
F
S)
FREQUENCY (MHz)
10215-
022
F2 – F1
2F2 – F1
2F1 – F2
2F2 + F1
F1 + F2
+
2F1 + F2
Figure 23. Two-Tone 16k FFT with f
IN1
= 8 MHz and f
IN2
= 10 MHz,
f
SAMPLE
= 40 MSPS
2
4
6
8
10
12
14
16
18
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
A
MPL
IT
U
D
E (d
B
F
S)
FREQUENCY (MHz)
40MSPS
19.7MHz AT –1dBFS
SNR = 70.9dB (71.9dBFS)
SFDR = 91.0dBc
19.7MHz AT –1dBFS
SNR = 70.9dB (71.9dBFS)
SFDR = 91.0dBc
10215-
023
Figure 24. Single-Tone 16k FFT with f
IN
= 19.7 MHz, f
SAMPLE
= 40 MSPS, CLK
Divider = 8
2
4
6
8
10
12
14
16
18
0
–15
–30
–45
–75
–60
–105
–90
–120
–135
A
MPL
IT
U
D
E (d
B
F
S)
FREQUENCY (MHz)
40MSPS
69.5MHz AT –1dBFS
SNR = 70.5dB (71.5dBFS)
SFDR = 88.6dBc
69.5MHz AT –1dBFS
SNR = 70.5dB (71.5dBFS)
SFDR = 88.6dBc
10215-
024
Figure 25. Single-Tone 16k FFT with f
IN
= 69.5 MHz, f
SAMPLE
= 40 MSPS, CLK
Divider = 8
0
–20
–40
–60
–80
–100
–120
–90
–78
–66
–54
–42
–6
–18
–30
S
F
DR/
IM
D3 (
d
Bc/
d
BF
S
)
INPUT AMPLITUDE (dBFS)
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBc)
IMD3 (dBFS)
10215-
025
Figure 26. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
f
IN1
= 30 MHz and f
IN2
= 32 MHz, f
SAMPLE
= 40 MSPS