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AD5170 Datasheet

I2C Digital Potentiometer

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AD5170 pdf
2.0
1.5 VDD = 2.7V
TA = –40°C, +25°C, +85°C, +125°C
1.0
RAB = 10k
0.5
0
–0.5
–1.0
VDD = 5.5V
TA = –40°C, +25°C, +85°C, +125°C
–1.5
–2.0
0
32 64 96 128 160 192 224
CODE (DECIMAL)
Figure 10. R-INL vs. Code vs. Temperature
256
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
RAB = 10k
VDD = 2.7V, 5.5V; TA = –40°C, +25°C, +85°C, +125°C
32 64 96 128 160 192 224
CODE (DECIMAL)
Figure 11. R-DNL vs. Code vs. Temperature
256
2.0
RAB = 10k
1.5
1.0
0.5
0
–0.5
VDD = 5.5V, VA = 5.0V
–1.0
–1.5
VDD = 2.7V, VA = 2.7V
–2.0
–40 –25 –10 5 20 35 50 65 80 95
TEMPERATURE (°C)
Figure 12. Full-Scale Error vs. Temperature
110 125
AD5170
4.50
3.75
RAB = 10k
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
TEMPERATURE (°C)
Figure 13. Zero-Scale Error vs. Temperature
110 125
10
VDD = 5V
1
VDD = 3V
0.1
–40 –7 26 59 92
TEMPERATURE (°C)
Figure 14. IDD, Supply Current vs. Temperature
125
120
RAB = 10k
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
CODE (DECIMAL)
Figure 15. Rheostat Mode Tempco ΔRWB/ΔT vs. Code
256
Rev. G | Page 11 of 24
Analog Devices
Analog Devices


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