ADAS3022BCPZ Просмотр технического описания (PDF) - Analog Devices
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ADAS3022BCPZ Datasheet PDF : 42 Pages
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Data Sheet
400,000
350,000
300,000
250,000
200,000
150,000
100,000
50,000
0
GAIN = 6.4
157,300
151,900
82,000
21,700
200 300
75,100
18,400
2,400 100
CODE IN HEX
Figure 13. Histogram of a DC Input at Code Center,
PGIA Gain = 6.4
100
EXTERNAL REFERENCE
90
GAIN = 0.16, 0.2, 0.4, 0.8, 1.6
fS = 1000kSPS
80
70
60
50
40
30
20
10
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OFFSET DRIFT (ppm/°C)
Figure 14. Offset Drift,
PGIA Gain = 0.16, 0.2, 0.4, 0.8, and 1.6
100
EXTERNAL REFERENCE
90
GAIN = 3.2
fS = 1000kSPS
80
70
60
50
40
30
20
10
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OFFSET DRIFT (ppm/°C)
Figure 15. Offset Drift,
PGIA Gain = 3.2
ADAS3022
100
EXTERNAL REFERENCE
90
GAIN = 6.4
fS = 1000kSPS
80
70
60
50
40
30
20
10
0
0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0
OFFSET DRIFT (ppm/°C)
Figure 16. Offset Drift,
PGIA Gain = 6.4
120
112
100
fS = 1000kSPS
EXTERNAL 2.5V REFERENCE
INTERNAL BUFFER
80
72
60
40
23
20
2
0
0 1 2 3 4 5 6 7 8 9 10
REFERENCE BUFFER DRIFT (ppm/°C)
Figure 17. Reference Buffer Drift, External Reference
120
fS = 1000kSPS
INTERNAL 2.5V REFERENCE
100
INTERNAL BUFFER
80
60
46
40
38
35
30
20
15 15
11 10
6
2
1
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
REFERENCE BUFFER DRIFT (ppm/°C)
Figure 18. Reference Buffer Drift, Internal Reference
Rev. D | Page 15 of 42
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