Dual, Audio, Log Taper Digital Potentiometers

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5

Typical Operating Characteristics (continued)

0

15

10

5

20

25

30

35

40

45

50

2.5

3.5

3.0

4.0

4.5

5.0

5.5

LOGIC CURRENT

vs. LOGIC VOLTAGE

LOGIC SUPPLY VOLTAGE (V)

ACTIVE MODE

0

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0.55

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

ZERO-CROSSING DETECTION DISABLED

ACTIVE

STANDBY

Pin Description

PIN

MAX5408/

MAX5410 (QFN)

MAX5408/

MAX5410 (QSOP)

MAX5409/

MAX5411 (QFN)

MAX5409/

MAX5411 (QSOP)

NAME

FUNCTION

1

3

1

3

SCLK

Serial Clock Input

24

2

4

CS

Chip-Select Input

3

5

3

5

H0

High Terminal of Resistor 0

4

6

4

6

L0

Low Terminal of Resistor 0

5

7

5

7

W0A

Wiper Terminal A of Resistor 0

——

6

8

W0B

Wiper Terminal B of Resistor 0

——

7

9

W1B

Wiper Terminal B of Resistor 1

8

10

8

10

W1A

Wiper Terminal A of Resistor 1

9

11

9

11

L1

Low Terminal of Resistor 1

10

12

10

12

H1

High Terminal of Resistor 1

11

13

11

13

AGND

Analog Ground

12

14

12

14

GND

Ground

13

15

13

15

Digital Logic Power Supply

14

16

14

16

Analog Power Supply

15

1

15

1

DOUT

Serial Data Output

16

2

16

2

DIN

Serial Data Input

6, 7

8, 9

——

N.C.

No Connection. Not internally connected.