MAX5428 datasheet(4/10 Pages) MAXIM

Part #	MAX5428

Description	One-Time Programmable, Linear-Taper Digital Potentiometers

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Manufacturer	MAXIM [Maxim Integrated Products]

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One-Time Programmable, Linear-Taper

Digital Potentiometers

4

_______________________________________________________________________________________

Typical Operating Characteristics

(VDD = 5.0V, TA = +25°C, unless otherwise noted.)

WIPER RESISTANCE vs. WIPER VOLTAGE

WIPER VOLTAGE (V)

4

3

2

1

100

120

140

160

80

05

VDD = 3.3V

VDD = 5.0V

END-TO-END RESISTANCE PERCENT

CHANGE vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

-0.2

-0.1

0

0.1

0.2

0.3

-0.3

-40

85

MAX5429

MAX5428

MAX5427

W-TO-L RESISTANCE

vs. TAP POSITION

TAP POSITION

25

20

15

10

5

10

20

30

40

50

60

70

80

90

100

0

030

MAX5427

MAX5428

MAX5429

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

0.05

0.10

0.15

0.20

0.25

0.30

0

-40

85

VDD = 5.0V

VDD = 3.3V

R-DNL ERROR vs. INPUT CODE

(MAX5427)

INPUT CODE (DECIMAL)

25

20

510

15

-0.015

-0.010

-0.005

0

0.005

0.010

0.015

0.020

-0.020

030

R-INL ERROR vs. INPUT CODE

(MAX5427)

INPUT CODE (DECIMAL)

25

20

15

10

5

-0.08

-0.06

-0.04

-0.02

0

0.02

0.04

0.06

0.08

0.10

-0.10

030

R-DNL ERROR vs. INPUT CODE

(MAX5428)

INPUT CODE (DECIMAL)

25

20

510

15

-0.015

-0.010

-0.005

0

0.005

0.010

0.015

0.020

-0.020

030

TAP-TO-TAP SWITCHING TRANSIENT

100ns/div

OUTPUT

W

100mV/div

U/D

2V/div

CL = 10pF

WIPER TRANSIENT AT POWER-ON

2

µs/div

OUTPUT

W

1V/div

VDD

2V/div

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