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AD5248BRMZ2.5 Fiches technique(PDF) 9 Page - Analog Devices

No de pièce AD5248BRMZ2.5
Description  Dual, 256-Position, I2C-Compatible Digital Potentiometers
Download  20 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD5248BRMZ2.5 Fiches technique(HTML) 9 Page - Analog Devices

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


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