AD9231 查看數據表（PDF） - Analog Devices
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AD9231 Datasheet PDF : 37 Pages
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Data Sheet
AD9231
AD9231-40
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
–15
40MSPS
9.7MHz @ –1dBFS
SNR = 70.3dB (71.3dBFS)
–30 SFDR = 93.8dBc
120
100
SFDRFS
–45
–60
–75
–90
4
–105
–120
5
3
+
2
6
80
SNRFS
60
SFDR
40
SNR
20
–135
0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (MHz)
Figure 23. AD9231-40 Single-Tone FFT with fIN = 9.7 MHz
0
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBc)
Figure 25. AD9231-40 SNR/SFDR vs. Input Amplitude (AIN) with fIN = 9.7 MHz
0
–15 40MSPS
30.6MHz @ –1dBFS
–30 SNR = 70.2dB (71.2dBFS)
SFDR = 95.4dBc
–45
–60
–75
–90
–105
4
+
5
3
6
2
–120
–135
0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (MHz)
Figure 24. AD9231-40 Single-Tone FFT with fIN = 30.6 MHz
Rev. B | Page 15 of 36
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