AD9022SQ Просмотр технического описания (PDF) - Analog Devices
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AD9022SQ Datasheet PDF : 12 Pages
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AD9022–Typical Characteristics
–76
–75
+25°C
–74
ROOM
–73
–55°C
–72
–71
–70
+125°C
–69
–68
0
12
3
4
5
6
7
8
ANALOG INPUT FREQUENCY – MHz
9 10
70
65
+25°C
60
–55°C
55
50
+125°C
45
40
35
1.24 2.3
5.3 7.3 9.6 11.3 13.3 15.3 17.3 19.3
ANALOG INPUT FREQUENCY – MHz
OBSOLETE Figure 2. Harmonic Distortion vs. Analog Input
Frequency
85
AIN = 1.2MHz
80
75
70
65
60
WORST HARMONICS
SNR
Figure 5. Signal-to-Noise Ratio vs. Analog Input
Frequency
90
80
AIN = 1.2MHz
ENCODE = 20MHz
70
60
50
40
30
20
10
SFDR
SNR
55
5
7.5
10 12.5 15 17.5 20
22.5 25
ENCODE RATE – MSPS
0
–50 –45 –40 –35 –30 –25 –20 –15 –10 –5 –1
INPUT LEVEL – dB
Figure 3. SNR and Harmonics vs. Encode Rate
Figure 6. SFDR and SNR vs. Analog Input Level
2.0
AIN = 1.2MHz
1.5
FS = 20MSPS
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
1024
2048
3072
4096
OUTPUT CODE
Figure 4. Differential Nonlinearity vs. Output Code
80
70 AIN = 9.6MHz
ENCODE = 20MHz
60
SFDR
50
SNR
40
30
20
10
0
–50 –45 –40 –35 –30 –25 –20 –15 –10 –5 –1
INPUT LEVEL – dB
Figure 7. SFDR and SNR vs. Analog Input Level
–6–
REV. A
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