AD7156 データシートの表示（PDF） - Analog Devices
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AD7156 Datasheet PDF : 28 Pages
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AD7156
5
4
3
2
3.3V
1
1.8V
0
–1
–2
–3
–4
–5
–50
–25
0
25
50
TEMPERATURE (°C)
75
100
Figure 16. Capacitance Input Offset Error vs. Temperature,
VDD = 1.8 V and 3.3 V, CIN and EXC Pins Open Circuit
0.35
0.25
0.15
0.05
–0.05
–0.15
–0.25
–0.35
–50
0
50
100
TEMPERATURE (°C)
Figure 17. Capacitance Input Gain Error vs. Temperature,
VDD = 2.7 V, CIN to EXC = 4 pF
16.50
16.25
16.00
2.7V
2V
15.75
15.50
1.8V
3.6V
15.25
15.00
14.75
14.50
–50
–25
0
25
50
TEMPERATURE (°C)
75
100
Figure 18. EXC Frequency Error vs. Temperature,
VDD = 1.8 V, 2 V, 2.7 V, and 3.6 V
20
10
0
–10
–20
0
5
10
15
20
25
30
CAPDAC CODE
Figure 19. CAPDAC Differential Nonlinearity (DNL), VDD = 1.8 V
80
70
60
1.8V
50
3.6V
2.7V
2V
40
–50
–25
0
25
50
75
TEMPERATURE (°C)
Figure 20. Current vs. Temperature,
VDD = 1.8 V, 2 V, 2.7 V, and 3.6 V
4.0
3.5
3.0
2.5
2.0
1.5
3.6V
1.0
0.5
0
–50
–25
2.7V
2V
0
25
50
TEMPERATURE (°C)
1.8V
75
Figure 21. Power-Down Current vs. Temperature,
VDD = 1.8 V, 2 V, 2.7 V, and 3.6 V
Rev. 0 | Page 10 of 28
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