Low-Power Digital Potentiometers
(VDD = +5V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
WIPER RESISTANCE
vs. WIPER VOLTAGE
1,000
RWMAX = 574.0804
800
VDD = +2.7V
600
400
VDD = +5V
200
0
0
1
2
3
4
5
WIPER VOLTAGE (V)
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
0.06
0.04
200kΩ 50kΩ
0.02
100kΩ
0
-0.02 200kΩ
100kΩ
-0.04
-0.06
50kΩ
-0.08
-0.10
-0.12
-0.14
-0.16
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
END-TO-END RESISTANCE
vs. TAP POSITION
225
200kΩ
200
175
150
125
100
75
50
25
0
1 5 9 13 17 21 25 29 33
TAP POSITION
END-TO-END RESISTANCE
vs. TAP POSITION
110
100 100kΩ
90
80
70
60
50
40
30
20
10
0
1 5 9 13 17 21 25 29 33
TAP POSITION
END-TO-END RESISTANCE
vs. TAP POSITION
50
45 50kΩ
40
35
30
25
20
15
10
5
0
1 5 9 13 17 21 25 29 33
TAP POSITION
_______________________________________________________________________________________ 3