Low-Voltage, CMOS Analog

Multiplexers/Switches

6

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Pin Description

PIN

MAX4581L

MAX4582L

MAX4583L

NAME

FUNCTION

SO/QSOP

QFN

SO/QSOP

QFN

SO/QSOP

QFN

1, 2, 4, 5,

12–15

2, 3,

10–13,

15, 16

—

—

—

—

X0–X7

Analog Switch Inputs 0–7

3

1

13

11

14

12

X

Analog Switch X Output

6

4

6

4

6

4

Enable

Digital Enable Input. Drive enable low or

connect to GND for normal operation.

7, 8

5, 6

7, 8

5, 6

7, 8

5, 6

GND

Ground. Connect to digital ground. (Analog

signals have no ground reference; they are

9

7

—

—

9

7

C

Digital Address C Input

10

8

9

7

10

8

B

Digital Address B Input

11

9

10

8

11

9

A

Digital Address A Input

16

14

16

14

16

14

Positive Analog and Digital Supply Voltage

Input. Bypass with a 0.1µF capacitor to GND.

——

11, 12,

14, 15,

9, 10,

12, 13

—

—

X0–X3

Analog Switch X Inputs 0–3

—

—

1, 2, 4, 5

2, 3,

15, 16

—

—

Y0–Y3

Analog Switch Y Inputs 0–3

—

—

3

1

15

13

Y

Analog Switch Y Output

—

—

—

—

13

11

X1

Analog Switch X Normally Open Input

—

—

—

—

12

10

X0

Analog Switch X Normally Closed Input

—

—

—

—

1

15

Y1

Analog Switch Y Normally Open Input

—

—

—

—

2

16

Y0

Analog Switch Y Normally Closed Input

—

—

—

—

3

1

Z1

Analog Switch Z Normally Open Input

—

—

—

—

5

3

Z0

Analog Switch Z Normally Closed Input

—

—

—

—

4

2

Z

Analog Switch Z Output

—

EP

—

EP

—

EP

Exposed

Pad

Bottom of QFN package only. Contains an

exposed pad that must be connected

Note: Input and output pins are identical and interchangeable. Any may be considered an input or output; signals pass equally well

in both directions.