MAX5392 datasheet(5/16 Pages) MAXIM

Part #	MAX5392

Description	Dual, 256-Tap, Volatile, Low-Voltage, Linear Taper Digital Potentiometer

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Manufacturer	MAXIM [Maxim Integrated Products]

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Dual, 256-Tap, Volatile, Low-Voltage,

Linear Taper Digital Potentiometer

_______________________________________________________________________________________ 5

Typical Operating Characteristics

(VDD = 1.8V, TA = +25°C, unless otherwise noted.)

SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

110

95

80

65

50

35

20

5

-10

-20

5

10

15

20

25

30

0

-40

125

VDD = 5V

VDD = 1.8V

VDD = 2.6V

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

VDD = 5V

VDD = 2.6V

VDD = 1.8V

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

VDD (V)

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

WIPER RESISTANCE

vs. WIPER VOLTAGE (10kI)

WIPER VOLTAGE (V)

0.5

80

100

120

140

60

0

1.0

VDD = 5V

VDD = 2.6V

VDD = 1.8V

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

END-TO-END RESISTANCE PERCENTAGE

CHANGE vs. TEMPERATURE

TEMPERATURE (°C)

110

95

-25 -10 5

35 50 65

20

80

-0.02

-0.01

0

0.01

0.02

0.03

0.04

0.05

100kI

10kI

50kI

-0.03

-40

125

VARIABLE RESISTOR DNL

vs. TAP POSITION (10kI)

TAP POSITION

204

153

102

51

-0.08

-0.06

-0.04

-0.02

0

0.02

0.04

0.06

0.08

0.10

-0.10

0

255

IWIPER = 150µA

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