AD5247 查看數據表（PDF） - Analog Devices
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AD5247 Datasheet PDF : 20 Pages
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AD5247
1.0
0.8
TA = –40°C
0.6
TA = +85°C
0.4
0.2
0
–0.2
TA = +25°C TA = +125°C
–0.4
–0.6
–0.8
–1.0
0
TA = –40°C
TA = +25°C
TA = +85°C
TA = +125°C
16
32
48
64
80
96 112 128
CODE (Decimal)
Figure 8. R-INL vs. Code vs. Temperature
0.5
0.4 –40°C
+25°C
0.3
+85°C
+125°C
0.2
0.1
VDD = 2.7V
RAB = 10kΩ
TA = –40°C, +25°C, +85°C, +125°C
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
16 32
48
64
80
96 112 128
CODE (Decimal)
Figure 9. R-DNL vs. Code vs. Temperature
0
–0.5
–1.0
VDD = 5.5V, VA = 5.5V
–1.5
–2.0
–2.5
VDD = 2.7V, VA = 2.7V
–3.0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 10. Full-Scale Error vs. Temperature
1.50
1.25
1.00
0.75
VDD = 5.5V, VA = 5.5V
0.50
0.25
VDD = 2.7V, VA = 2.7V
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 11. Zero-Scale Error vs. Temperature
100
DIGITAL INPUTS = 0V
CODE = 0x40
10
VDD = 5.5V
1
VDD = 2.7V
0.1
0.01
–40 –25 –10
5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 12. Supply Current vs. Temperature
500
400
300
200
100
0
–100
–200
–300
–400
–500
0
TA = –40°C to +85°C
TA = –40°C to +125°C
16
32
48
64
80
CODE (Decimal)
VDD = 2.7V
RAB = 10kΩ
96 112 128
Figure 13. Rheostat Mode Tempco ∆RWB/∆T vs. Code
Rev. 0 | Page 8 of 20
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