50

Ω, Low-Voltage, Quad SPST/Dual SPDT Analog

Switches in UCSP

8

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Pin Description—Thin QFN

PIN

MAX4747

MAX4748

MAX4749

MAX4750

NAME

FUNCTION

1, 3

1, 3

1, 3

4, 12

COM1, COM2

Analog-Switch Common Terminals

2

——

3

NO2

Analog-Switch Normally Open Terminal

4, 13

4, 13

4, 13

2, 10

IN2, IN1

Logic-Control Digital Inputs

5, 12

5, 12

5, 12

—

IN3, IN4

Logic-Control Digital Inputs

6

6

6

6

GND

Ground. Connect to digital ground.

7

—

7

—

NO3

Analog-Switch Normally Open Terminal

8, 14

8, 14

8, 14

1, 5, 8, 9, 13, 14

N.C.

No Connection. Not internally connected.

9, 10

9, 10

9, 10

—

COM3, COM4

Analog-Switch Common Terminals

11

——

—

NO4

Analog-Switch Normally Open Terminal

15

15

15

15

V+

Positive Supply-Voltage Input

16

—

16

11

NO1

Analog-Switch Normally Open Terminal

—

2

2

7

NC2

Analog-Switch Normally Closed Terminal

—

7

——

NC3

Analog-Switch Normally Closed Terminal

—

11

11

—

NC4

Analog-Switch Normally Closed Terminal

—

16

—

16

NC1

Analog-Switch Normally Closed Terminal

EP

EP

EP

EP

EP

Exposed Paddle. Connect exposed

paddle to V+.