AD9231 查看數據表（PDF） - Analog Devices
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AD9231 Datasheet PDF : 37 Pages
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AD9231
Data Sheet
AD9231-65
AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, DCS
disabled, unless otherwise noted.
0
65MSPS
–15
9.7MHz @ –1dBFS
SNR =70.3 (71.3dBFS)
–30
SFDR = 94.2dBc
120
100
SFDRFS
–45
80
SNRFS
–60
60
–75
SFDR
–90
–105
–120
+
6
2
5
4
3
40
SNR
20
–135
0 3 6 9 12 15 18 21 24 27 30 33
FREQUENCY (MHz)
Figure 18. AD9231-65 Single-Tone FFT with fIN = 9.7 MHz
0
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBc)
Figure 21. AD9231-65 SNR/SFDR vs. Input Amplitude (AIN) with fIN = 9.7 MHz
0
–15
65MSPS
30.6MHz @ –1dBFS
–30
SNR = 70.2dB (71.2dBFS)
SFDR = 94.1dBc
–45
–60
–75
–90
–105
+
2
4
6
5
3
–120
–135
0 3 6 9 12 15 18 21 24 27 30 33
FREQUENCY (MHz)
Figure 19. AD9231-65 Single-Tone FFT with fIN = 30.6 MHz
0
65MSPS
–15
69MHz @ –1dBFS
SNR = 69.9dB (70.9dBFS)
–30
SFDR = 92.0dBc
–45
–60
–75
–90
–105
2
+
3
4
5
6
–120
–135
0 3 6 9 12 15 18 21 24 27 30 33
FREQUENCY (MHz)
Figure 20. AD9231-65 Single-Tone FFT with fIN = 69 MHz
100
90
SFDR
80
SNR
70
60
50
40
30
20
10
0
0
50
100
150
200
INPUT FREQUENCY (MHz)
Figure 22. AD9231-65 SNR/SFDR vs. Input Frequency (AIN) with
2 V p-p Full Scale
Rev. B | Page 14 of 36
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