Quad, Low-Voltage, SPST Analog Switches

_______________________________________________________________________________________

7

100

0.001

10

1k

100

100k

10k

TOTAL HARMONIC DISTORTION

vs. FREQUENCY

0.01

FREQUENCY (Hz)

0.1

1

10

V+ = +5V

V- = -5V

600

Ω IN AND OUT

0

-10

-90

0.01

0.1

1

10

100 300

FREQUENCY RESPONSE

-80

-70

FREQUENCY (MHz)

-50

-60

-40

-20

-30

5

0

-40

-35

-30

-20

-25

-15

-5

-10

INSERTION LOSS

50

Ω IN/OUT

OFF-ISOLATION

ON-PHASE

Typical Operating Characteristics (continued)

Pin Description

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

equally well in either direction.

PIN

MAX4521

MAX4522

MAX4523

TSSOP/SO

QFN

TSSOP/SO

QFN

TSSOP/SO

QFN

NAME

FUNCTION

1, 16, 9, 8

15, 14, 7, 6

1, 16, 9, 8

15, 14, 7, 6

1, 16, 9, 8

15, 14, 7, 6

IN1–1N4

Logic-Control Digital Input

2, 15, 10, 7

16, 13, 8, 5

2, 15, 10, 7

16, 13, 8, 5

2, 15, 10, 7

16, 13, 8, 5 COM1–COM4 Analog Switch Common* Terminals

3, 14, 11, 6

1, 12, 9, 4

————

NC1–NC4

Analog Switch Normally Closed

Terminals

——

3, 14, 11, 6

1, 12, 9, 4

——

NO1–NO4

Analog Switch Normally Open

Terminals

—

—

—

—

3, 6

1, 4

NO1, NO4

Analog Switch Normally Open

Terminals

—

—

—

—

14, 11

12, 9

NC2, NC3

Analog Switch Normally Closed

Terminals

424242

V-

Negative Analog Supply-Voltage

Input. Connect to GND for single

supply operation.

535353

GND

Ground. Connect to digital ground.

(Analog signals have no ground

reference; they are limited to V+

and V-.)

12

10

12

10

12

10

N.C.

No Connection. Not internally

connected.

13

11

13

11

13

11

V+

Positive Analog and Digital Supply-

Voltage Input. Internally connected

to substrate.

—

EP

—

EP

—

EP

EP

Exposed Pad. Connect EP to V+.