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參數(shù)資料
| 型號： | AD9022SQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 12-Bit 20 MSPS Monolithic A/D Converter |
| 中文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CDIP28 |
| 封裝： | CERAMIC, DIP-28 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 240K |
| 代理商： | AD9022SQ |
–6–
AD9022
REV. B
–Typical Performance Characteristics
ANALOG INPUT FREQUENCY – MHz
–76
–72
–68
0
10
1
W
2
3
4
5
6
7
8
9
–75
–74
–70
–69
–73
–71
+25
C
ROOM
–55
8
C
+125
8
C
Figure 2. Harmonic Distortion vs. Analog Input
Frequency
ENCODE RATE – MSPS
85
H
5.0
WORST HARMONICS
SNR
A
IN
= 1.2MHz
80
75
70
65
60
55
7.5
10.0
12.5
17.5
15.0
20.0
22.5
25.0
Figure 3. SNR and Harmonics vs. Encode Rate
D
OUTPUT CODE
2.0
–2.0
4096
–1.0
–1.5
1024
0
–0.5
0.5
1.0
1.5
3072
2048
A
IN
= 1.2MHz
F
S
= 20MSPS
Figure 4. Differential Nonlinearity vs. Output Code
70
35
1.24
19.3
50
40
2.3
45
65
55
60
17.3
15.3
13.3
9.6
7.3
5.3
11.3
ANALOG INPUT FREQUENCY – MHz
S
+25
8
C
–55
8
C
+125
8
C
Figure 5. Signal-to-Noise Ratio vs. Analog Input
Frequency
90
0
–50
–1
20
10
–45
30
40
50
60
70
80
–5
–10
–15
–20
–25
–30
INPUT LEVEL – dB
–35
–40
S
A
= 1.2MHz
ENCODE = 20MHz
SFDR
SNR
Figure 6. SFDR and SNR vs. Analog Input Level
0
–50
–1
20
10
–45
30
40
50
60
70
80
–5
–10
–15
–20
–25
–30
INPUT LEVEL – dB
–35
–40
S
A
= 9.6MHz
ENCODE = 20MHz
SFDR
SNR
Figure 7. SFDR and SNR vs. Analog Input Level
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