AD7451 データシートの表示（PDF） - Analog Devices
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AD7451 Datasheet PDF : 24 Pages
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4.0
3.5
3.0
2.5
2.0
1.5
1.0
POSITIVE DNL
0.5
0
NEGATIVE DNL
–0.5
–1.0
0
1
2
3
4
5
VREF (V)
Figure 13. Change in DNL vs. VREF for VDD = 5 V
5
4
3
2
1
POSITIVE DNL
0
NEGATIVE DNL
–1
–2
0
1
2
3
4
5
VREF (V)
Figure 14. Change in INL vs. VREF for VDD = 5 V
12
VDD = 3V
11
10
9
8
VDD = 5V
7
6
0
1
2
3
4
5
VREF (V)
Figure 15. ENOB vs. VREF for VDD = 5 V and 3 V
AD7441/AD7451
0
–20
–40
–60
–80
–100
–120
–140
0
8192 POINT FFT
fSAMPLE = 1MSPS
fIN = 100kSPS
SINAD = 61.7dB
THD = –81.7dB
SFDR = –82dB
100
200
300
400
500
VREF (V)
Figure 16. AD7441 Dynamic Performance
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
256
512
768
CODE
1024
Figure 17. Typical DNL for the AD7441
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
256
512
768
CODE
1024
Figure 18. Typical INL for the AD7441
Rev. D | Page 11 of 24
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