Low-Voltage, CMOS Analog Multiplexers/Switches

with Enable Inputs and Address Latching

8

_______________________________________________________________________________________

______________________________________________________________Pin Description

COMA

17

—

NCA

—

—

EN1

7

7

EN2

8

8

V-

9

9

N.C.

3, 14

3, 14

COM

—

4

COMB

4

—

NOA

—

—

NCB

—

—

NOB

—

—

PIN

NO0B–NO3B

1, 2, 6, 5

—

NO0–NO7

—

17, 1, 19, 2,

18, 6, 16, 5

Analog Switch “A” Common

Analog Switch “A” Normally Closed Input

Enable Logic Input #1 (see

Truth Table).

Enable Logic Input #2 (see

Truth Table).

Negative Analog Supply Voltage Input. Connect

to GND for single supply operation.

Not Internally Connected

Analog Switch Common

Analog Switch “B” Common

Analog Switch “A” Normally Open Input

Analog Switch “B” Normally Closed Input

Analog Switch “B” Normally Open Input

Analog Switch “B” Inputs 0–3

Analog Switch Inputs 0–7

5

6

7

8

9

3, 14

—

19

4

2

1

—

—

MAX4531

MAX4530

MAX4532

GND

10

10

Negative Digital Supply Voltage Input. Connect

to digital ground. (Analog signals have no

ground

10

LE

11

11

Address Latch Logic Input (see

Truth Table).

11

ADDA

12

12

Address “A” Logic Input (see

Truth Table).

12

ADDB

13

13

Address “B” Logic Input (see

Truth Table).

13

ADDC

—

15

Address “C” Logic Input (see

Truth Table).

15

NO0A–NO3A

16, 19, 18, 15

—

Analog Switch “A” Inputs 0–3

—

NCC

—

—

Analog Switch “C” Normally Closed Input

16

NOC

—

—

Analog Switch “C” Normally Open Input

17

COMC

—

—

Analog Switch “C” Common

18

FUNCTION

NAME

V+

20

20

Positive Analog and Digital Supply-Voltage

Input

20

NO_, NC_ and COM_ pins are identical and interchangeable. Either may be considered as an input or output; signals pass equally

well in both directions.