Nonvolatile, 32-Position Digital Potentiometer

4

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Typical Operating Characteristics

SUPPLY CURRENT vs. VOLTAGE

VOLTAGE (V)

5

4

3

2

1

5

10

15

20

30

25

35

0

0

POWER-UP

POWER-DOWN

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

5

10

15

20

25

30

0

-40

85

W-L RESISTANCE

vs. POTENTIOMETER SETTING

POTENTIOMETER SETTING (DEC)

30

25

15

20

10

5

25

50

75

100

125

150

175

200

0

0

W-L RESISTANCE vs. SUPPLY VOLTAGE

(POWER-UP)

SUPPLY VOLTAGE (V)

5

4

3

2

1

50

100

150

200

250

0

0

>1M

Ω

EEPROM RECALL

WIPER = POS 15

W-L RESISTANCE vs. SUPPLY VOLTAGE

(POWER-DOWN)

SUPPLY VOLTAGE (V)

5

4

3

2

1

50

100

150

200

250

0

0

>1M

Ω

WIPER = POS 15

WIPER RESISTANCE vs. WIPER VOLTAGE

WIPER VOLTAGE (V)

4

3

1

2

50

100

150

200

300

250

350

400

0

05

ABSOLUTE LINEARITY vs. WIPER POSITION

WIPER POSITION (DEC)

30

20

10

-0.20

-0.15

-0.10

-0.05

0

0.05

0.10

0.15

0.20

0.25

-0.25

0

RELATIVE LINEARITY vs. WIPER POSITION

WIPER POSITION (DEC)

30

20

10

-0.20

-0.15

-0.10

-0.05

0

0.05

0.10

0.15

0.20

0.25

-0.25

0

VOLTAGE DIVIDER PERCENT CHANGE

FROM +25

°C vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

-0.04

-0.03

-0.02

-0.01

0

0.01

0.02

0.03

0.04

0.05

-0.05

-40

85

WIPER = POS 15

tc = 0.64ppm/

°C

WIPER = POS 7

tc = 2.72ppm/

°C

WIPER = POS 7

tc = 2.72ppm/

°C

WIPER = POS 15

tc = 1.37ppm/

°C

WIPER = POS 23

tc = 0ppm/

°C