Digital Potentiometers

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7

MIDSCALE WIPER RESPONSE

vs. FREQUENCY (MAX5478)

FREQUENCY (kHz)

100

10

1

-7

-6

-5

-4

-3

-2

-1

0

1

2

-8

0.1

1000

MIDSCALE WIPER RESPONSE

vs. FREQUENCY (MAX5479)

FREQUENCY (kHz)

100

10

1

-4

-3

-2

-1

0

1

2

-5

0.1

1000

THD+N vs. FREQUENCY

(MAX5478)

FREQUENCY (kHz)

10

1

0.1

0.001

0.01

0.1

1

10

0.0001

0.01

100

MIDSCALE

THD+N vs. FREQUENCY

(MAX5479)

FREQUENCY (kHz)

10

1

0.1

0.001

0.01

0.1

1

10

0.0001

0.01

100

MIDSCALE

-0.5

-0.2

-0.3

-0.4

-0.1

0

0.1

0.2

0.3

0.4

0.5

-40

10

-15

356085

END-TO-END RESISTANCE % CHANGE

vs. TEMPERATURE (MAX5478)

TEMPERATURE (

°C)

-0.5

-0.2

-0.3

-0.4

-0.1

0

0.1

0.2

0.3

0.4

0.5

-40

10

-15

35

60

85

END-TO-END RESISTANCE % CHANGE

vs. TEMPERATURE (MAX5479)

TEMPERATURE (

°C)

0

350

300

250

400

450

550

500

600

0

1.0

0.5

1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

SUPPLY CURRENT

vs. DIGITAL INPUT VOLTAGE

DIGITAL INPUT VOLTAGE (V)

WP = GND

200

150

100

50

Typical Operating Characteristics (continued)