Dual 256-Tap, Low-Drift,
Digital Potentiometers in 10-µMAX
(VDD = +5.0V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
WIPER RESISTANCE vs.
WIPER VOLTAGE (50kΩ)
380
360
340
320
VDD = +3V
300
280
260
VDD = +5V
240
220
200
180
160
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
WIPER VOLTAGE (V)
WIPER RESISTANCE vs.
WIPER VOLTAGE (100kΩ)
400
380
360
340
VDD = +3V
320
300
280
260
240
220
200
VDD = +5V
180
160
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
WIPER VOLTAGE (V)
WIPER RESISTANCE
vs. WIPER VOLTAGE (10kΩ)
300
280
260 VDD = +3V
240
220
200
VDD = +5V
180
160
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
WIPER VOLTAGE (V)
WIPER-TO-END RESISTANCE
vs. INPUT CODE (50kΩ)
50
45
40
35
30
25
20
15
10
5
0
0 32 64 96 128 160 192 224 256
INPUT CODE (DECIMAL)
VARIABLE RESISTOR DNL
vs. INPUT CODE (10kΩ)
0.20
0.15
0.10
0.05
0.00
-0.05
0
32 64 96 128 160 192 224 256
INPUT CODE (DECIMAL)
100
90
80
70
60
50
40
30
20
10
0
0
WIPER-TO-END RESISTANCE
vs. INPUT CODE (100kΩ)
32 64 96 128 160 192 224 256
INPUT CODE (DECIMAL)
VARIABLE RESISTOR INL
vs. INPUT CODE (10kΩ)
0.50
0.40
0.30
0.20
0.10
0.00
-0.10
-0.20
-0.30
0
32 64 96 128 160 192 224 256
INPUT CODE (DECIMAL)
WIPER-TO-END RESISTANCE
vs. INPUT CODE (10kΩ)
10
9
8
7
6
5
4
3
2
1
0
0 32 64 96 128 160 192 224 256
INPUT CODE (DECIMAL)
0.06
0.05
0.04
0.03
0.02
0.01
0.00
-0.01
-0.02
-0.03
0
VARIABLE RESISTOR DNL
vs. INPUT CODE (50kΩ)
VDD = +5V
32 64 96 128 160 192 224 256
INPUT CODE (DECIMAL)
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