AD5243(RevC) 查看數據表（PDF） - Analog Devices
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AD5243 Datasheet PDF : 20 Pages
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Data Sheet
2.0
1.5
VDD = 2.7V
TA = –40°C, +25°C, +85°C, +125°C
1.0
RAB = 10kΩ
0.5
0
–0.5
VDD = 5.5V
TA = –40°C, +25°C, +85°C, +125°C
–1.0
–1.5
–2.0
0
32
64
96 128 160 192 224 256
CODE (DECIMAL)
Figure 12. R-INL vs. Code vs. Temperature
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
RAB = 10kΩ
VDD = 2.7V, 5.5V; TA = –40°C, +25°C, +85°C, +125°C
32
64
96 128 160 192 224 256
CODE (DECIMAL)
Figure 13. R-DNL vs. Code vs. Temperature
2.0
RAB = 10kΩ
1.5
1.0
0.5
0
–0.5
VDD = 5.5V, VA = 5.0V
–1.0
VDD = 2.7V, VA = 2.7V
–1.5
–2.0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 14. Full-Scale Error vs. Temperature
AD5243/AD5248
4.50
3.75
RAB = 10kΩ
3.00
2.25
1.50
0.75
VDD = 2.7V, VA = 2.7V
VDD = 5.5V, VA = 5.0V
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 15. Zero-Scale Error vs. Temperature
10
VDD = 5V
1
VDD = 3V
0.1
–40
–7
26
59
92
125
TEMPERATURE (°C)
Figure 16. Supply Current vs. Temperature
120
RAB = 10kΩ
100
80
60
VDD = 2.7V
TA = –40°C TO +85°C, –40°C TO +125°C
40
VDD = 5.5V
TA = –40°C TO +85°C, –40°C TO +125°C
20
0
–20
0
32
64
96 128 160 192 224 256
CODE (DECIMAL)
Figure 17. Rheostat Mode Tempco ΔRWB/ΔT vs. Code
Rev. C | Page 9 of 20
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