AD5170 Analog Devices, AD5170 Datasheet - Page 8

• Manufacturer Part Number: AD5170
• Description: 256-Position Two-Time Programmable I2C Digital Potentiometer
• Manufacturer: Analog Devices

AD5170
–0.5
–1.0
–1.5
–2.0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0.5
0.4
0.3
0.2
0.1
2.0
1.5
1.0
0.5
0
0
0
–40
0
0
V
T
–25 –10
A
DD
V
32
32
= –40°C, +25°C, +85°C, +125°C
DD
= 2.7V
Figure 10. Full-Scale Error vs. Temperature
Figure 9. R-DNL vs. Code vs. Temperature
V
Figure 8. R-INL vs. Code vs. Temperature
= 2.7V, 5.5V; T
DD
= 2.7V, V
64
64
5
TEMPERATURE (°C)
20
96
CODE (DECIMAL)
96
CODE (DECIMAL)
A
A
= 2.7V
V
V
T
= –40°C, +25°C, +85°C, +125°C
DD
DD
A
35
= –40°C, +25°C, +85°C, +125°C
128
128
= 5.5V, V
= 5.5V
50
160
160
A
65
= 5.0V
80
192
192
R
R
R
AB
AB
AB
95
= 10kΩ
224
= 10kΩ
224
= 10kΩ
110
256
256
125
Rev. 0 | Page 8 of 24
4.50
3.75
3.00
2.25
1.50
0.75
120
100
–20
0.1
10
80
60
40
20
0
1
0
–40
–40
0
Figure 13. Rheostat Mode Tempco ∆R
–25 –10
32
V
DD
Figure 11. Zero-Scale Error vs. Temperature
Figure 12. Supply Current vs. Temperature
V
T
A
DD
= 2.7V, V
–7
= –40°C TO +85°C, –40°C TO +125°C
V
V
= 2.7V
64
DD
DD
5
= 5V
= 3V
A
TEMPERATURE (°C)
TEMPERATURE (°C)
= 2.7V
20
V
T
96
CODE (DECIMAL)
A
DD
V
26
DD
= –40°C TO +85°C, –40°C TO +125°C
= 5.5V
35
= 5.5V, V
128
50
59
A
160
65
= 5.0V
80
WB
192
/∆T vs. Code
R
R
92
AB
AB
95
= 10kΩ
= 10kΩ
224
110
125
125
256