Dual, 256-Tap, Nonvolatile, SPI-Interface,

Linear-Taper Digital Potentiometers

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5

0.1

0

-40

-20

02040

60

80

0.5

0.4

0.3

0.2

0.6

TEMPERATURE (

°C)

SUPPLY CURRENT

vs. TEMPERATURE

MAX5487-89 toc01

SUPPLY CURRENT

vs. DIGITAL INPUT VOLTAGE

DIGITAL INPUT VOLTAGE (V)

4

3

2

1

1

10

100

1000

10,000

0

05

0

50

150

100

200

250

064

96

32

128 160 192

224 256

WIPER RESISTANCE

vs. TAP POSITION

TAP POSITION

1

µs/div

TAP-TO-TAP SWITCHING TRANSIENT

(MAX5487)

CS

2.0V/div

WIPER

20mV/div

MAX5487-89 toc04

TAP-TO-TAP SWITCHING TRANSIENT

(MAX5488)

MAX5487-89 toc05

1.0

µs/div

WIPER

20mV/div

CS

2.0V/div

WIPER TRANSIENT AT POWER-ON

MAX5487-89 toc07

2.0

µs/div

WIPER

2.0V/div

2.0V/div

FREQUENCY (kHz)

MIDSCALE FREQUENCY RESPONSE

(MAX5487)

0

-2

-4

-6

-8

-10

-12

-14

-16

-18

-20

0.1

1

10

100

1000

MAX5487-89 toc08

TAP-TO-TAP SWITCHING TRANSIENT

(MAX5489)

MAX5487-89 toc06

1.0

µs/div

WIPER

20mV/div

CS

2.0V/div

Typical Operating Characteristics

°C, unless otherwise noted.)