AD9231-20EBZ AD [Analog Devices], AD9231-20EBZ Datasheet - Page 15
AD9231-20EBZ
Manufacturer Part Number
AD9231-20EBZ
Description
12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter
Manufacturer
AD [Analog Devices]
Datasheet
1.AD9231-20EBZ.pdf
(36 pages)
- Current page: 15 of 36
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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.
–105
–120
–135
–105
–120
–135
–15
–30
–45
–60
–75
–90
–15
–30
–45
–60
–75
–90
Figure 24. AD9231-40 Single-Tone FFT with f
0
Figure 23. AD9231-40 Single-Tone FFT with f
0
0
0
40MSPS
9.7MHz @ –1dBFS
SNR = 70.3dB (71.3dBFS)
SFDR = 93.8dBc
40MSPS
30.6MHz @ –1dBFS
SNR = 70.2dB (71.2dBFS)
SFDR = 95.4dBc
4
2
2
4
4
4
6
6
FREQUENCY (MHz)
FREQUENCY (MHz)
5
+
8
8
5
10
10
3
12
12
3
14
14
IN
IN
= 30.6 MHz
= 9.7 MHz
16
16
+
6
18
18
6
2
2
20
20
Rev. 0 | Page 15 of 36
Figure 25. AD9231-40 SNR/SFDR vs. Input Amplitude (AIN) with f
120
100
80
60
40
20
0
–70
–60
–50
SFDRFS
SNRFS
INPUT AMPLITUDE (dBc)
SFDR
SNR
–40
–30
–20
–10
AD9231
IN
= 9.7 MHz
0
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