256-Tap, µPoT, Low-Drift,

Digital Potentiometer

4

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Typical Operating Characteristics

100

125

150

175

200

225

250

275

300

012345

WIPER RESISTANCE

vs. WIPER VOLTAGE

WIPER VOLTAGE (V)

-0.20

-0.10

-0.15

0.00

-0.05

0.05

0.10

-40 -30 -20 -10 0 1020304050607080 90

END-TO-END RESISTANCE % CHANGE

vs. TEMPERATURE

TEMPERATURE (°C)

0

2

1

4

3

6

5

7

9

8

10

064

96

32

128 160 192 224 256

RESISTANCE vs. INPUT CODE

INPUT CODE (DECIMAL)

-0.20

-0.10

-0.15

0.05

0.00

-0.05

0.20

0.15

0.10

0.25

0

96

128

32

64

160 192 224 256

VARIABLE RESISTOR DNL

vs. INPUT CODE

INPUT CODE (DECIMAL)

-0.4

-0.3

-0.1

-0.2

0.1

0.2

0.0

0.3

064

96

32

128 160 192 224 256

VARIABLE RESISTOR INL

vs. INPUT CODE

INPUT CODE (DECIMAL)

-0.08

-0.04

-0.06

0.00

-0.02

0.02

0.04

0.06

0.08

064

96

32

128 160 192 224 256

VOLTAGE-DIVIDER DNL vs. INPUT CODE

INPUT CODE (DECIMAL)