Dual 256-Tap, Volatile, Low-Voltage

Linear Taper Digital Potentiometers

4 ______________________________________________________________________________________

Typical Operating Characteristics

Figure 1. Voltage-Divider and Variable Resistor Configurations

SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

110

95

80

65

50

35

20

5

-10

-25

5

10

15

20

25

30

0

-40

125

SUPPLY CURRENT

vs. DIGITAL INPUT VOLTAGE

DIGITAL INPUT VOLTAGE (V)

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

10

100

1000

10,000

1

0

5.0

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

5.2

4.7

4.2

3.7

3.2

2.7

2.2

15

20

25

30

10

1.7

RESISTANCE (W_-TO-L_)

vs. TAP POSITION (10kI)

TAP POSITION

1

2

3

4

5

6

7

8

9

10

0

204

153

102

51

0

255

RESISTANCE (W_-TO-L_)

vs. TAP POSITION (50kI)

TAP POSITION

5

10

15

20

25

30

35

40

45

50

0

204

153

102

51

0

255

RESISTANCE (W_-TO-L_)

vs. TAP POSITION (100kI)

TAP POSITION

10

20

30

40

50

60

70

80

90

100

0

204

153

102

51

0

255

H

L

W

W

N.C.

L