AD7265(RevB) 데이터 시트보기 (PDF) - Analog Devices
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AD7265
(Rev.:RevB)
(Rev.:RevB)
Analog Devices
AD7265 Datasheet PDF : 29 Pages
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AD7265
1.0
0.8
0.6
0.4
POSITIVE INL
0.2
0
–0.2
NEGATIVE INL
–0.4
–0.6
–0.8
–1.0
0
0.5
VDD = 3V/5V
DIFFERENTIAL MODE
POSITIVE DNL
NEGATIVE DNL
1.0
1.5
2.0
2.5
VREF (V)
Figure 10. Linearity Error vs. VREF
12.0
11.5
11.0
10.5
VDD = 5V
SINGLE-ENDED MODE
10.0
9.5
VDD = 3V
SINGLE-ENDED MODE
9.0
8.5
VDD = 3V
DIFFERENTIAL MODE
VDD = 5V
DIFFERENTIAL MODE
8.0
7.5
7.0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VREF (V)
Figure 11. Effective Number of Bits vs. VREF
2.5010
2.5005
2.5000
2.4995
2.4990
2.4985
2.4980
0
20 40 60 80 100 120 140 160 180 200
CURRENT LOAD (A)
Figure 12. VREF vs. Reference Output Current Drive
Data Sheet
10000
INTERNAL
9000 REFERENCE
8000
7000
6000
5000
4000
3000
2000
1000
0
2046
2047
10000
CODES
2048
2049
CODE
DIFFERENTIAL
MODE
2050
Figure 13. Histogram of Codes for 10k Samples in Differential Mode
10000
INTERNAL
9000 REFERENCE
9984
CODES
SINGLE-ENDED
MODE
8000
7000
6000
5000
4000
3000
2000
1000
0
2046
5 CODES
11 CODES
2047
2048
2049
CODE
2050
Figure 14. Histogram of Codes for 10k Samples in Single-Ended Mode
–60
DIFFERENTIAL MODE
–65
VDD = 3V/5V
–70
–75
–80
–85
–90
–95
–100
0
200
400
600
800
1000
1200
RIPPLE FREQUENCY (kHz)
Figure 15. CMRR vs. Common-Mode Ripple Frequency
Rev. B | Page 10 of 28
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