AD7877 データシートの表示（PDF） - Analog Devices
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AD7877 Datasheet PDF : 46 Pages
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AD7877
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 12. ADC DNL Plot
22
20
18
X– TO GND
16
Y– TO GND
14
Y+ TO VCC
12
10
X+ TO VCC
8
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VCC (V)
Figure 13. Switch On Resistance vs. VCC
(X+, Y+: VCC to Pin; X−, Y−: Pin to GND)
22
20
X– TO GND
18
16
14
Y– TO GND
Y+ TO VCC
12
10
X+ TO VCC
8
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
Figure 14. Switch On Resistance vs. Temperature
(X+, Y+: VCC to Pin; X−, Y−: Pin to GND)
Data Sheet
16
14
12
10
8
6
4
2
0
–50
–30
–10
10
30
50
70
90
TEMPERATURE (C)
Figure 15. External Reference Current vs. Temperature
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
2.480
2.475
–50
–30
–10
10
30
50
70
90
TEMPERATURE (C)
Figure 16. Internal VREF vs. Temperature
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5.0
VCC (V)
Figure 17. Internal VREF vs. VCC
Rev. E | Page 10 of 45
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