Dual 256-Tap, Low-Drift,

Digital Potentiometers in 10-µMAX

4

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Typical Operating Characteristics

160

200

180

260

240

220

280

300

360

340

320

380

0

1.0 1.5

0.5

2.0 2.5 3.0 3.5 4.0 4.5 5.0

WIPER RESISTANCE vs.

WIPER VOLTAGE (50k

Ω)

WIPER VOLTAGE (V)

160

200

180

260

240

220

280

300

360

340

320

380

0

1.0 1.5

0.5

2.0 2.5 3.0 3.5 4.0 4.5 5.0

WIPER RESISTANCE vs.

WIPER VOLTAGE (100k

Ω)

WIPER VOLTAGE (V)

400

0

2

1

4

3

6

5

7

9

8

10

064

96

32

128 160 192 224 256

WIPER-TO-END RESISTANCE

vs. INPUT CODE (10k

Ω)

INPUT CODE (DECIMAL)

0

10

5

20

15

30

25

35

45

40

50

064

96

32

128 160 192 224 256

WIPER-TO-END RESISTANCE

vs. INPUT CODE (50k

Ω)

INPUT CODE (DECIMAL)

0

20

10

40

30

60

50

70

90

80

100

064

96

32

128 160 192 224 256

WIPER-TO-END RESISTANCE

vs. INPUT CODE (100k

Ω)

INPUT CODE (DECIMAL)

160

200

180

240

220

280

260

300

0

2.0

1.0

3.0

4.0

0.5

2.5

1.5

3.5

4.5 5.0

WIPER VOLTAGE (V)

WIPER-TO-END RESISTANCE

vs. WIPER VOLTAGE (10k

Ω)

-0.05

0.00

0.10

0.05

0.15

0.20

064

96

32

128 160 192 224 256

VARIABLE RESISTOR DNL

vs. INPUT CODE (10k

Ω)

INPUT CODE (DECIMAL)

-0.30

-0.10

-0.20

0.10

0.00

0.20

0.30

0.40

0.50

064

96

32

128 160 192 224 256

VARIABLE RESISTOR INL

vs. INPUT CODE (10k

Ω)

INPUT CODE (DECIMAL)

-0.03

-0.01

-0.02

0.02

0.01

0.00

0.05

0.04

0.03

0.06

064

96

32

128 160 192 224 256

VARIABLE RESISTOR DNL

vs. INPUT CODE (50k

Ω)

INPUT CODE (DECIMAL)