www.austriamicrosystems.com/Analog-Switches/AS1747-50

Revision 1.02

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AS1747, AS1748, AS1749, AS1750

Datasheet - P i n o u t

Pin Assignment

Figure 3. Pin Assignments (Top View) for AS1748/AS1750

Pin Description

Table 2. Pin Description for AS1748/AS1750

Pin Name

TQFN

Description

COM1

1

Analog Switch 1 - Common Terminal

NC1

2

Analog Switch 1 - Normally Closed Terminal

IN1

3

Digital Control Input for Analog Switch 1. A logic LOW on IN1 connects

COM1 to NC1 and a logic HIGH connects COM1 to NO1.

CMP-

4

Comparator Inverting Input

GND

5

Ground

IN2

6

Digital Control Input for Analog Switch 2. A logic LOW on IN2 connects

COM2 to NC2 and a logic HIGH connects COM2 to NO2.

NC2

7

Analog Switch 2 - Normally Closed Terminal

COM2

8

Analog Switch 2 - Common Terminal

NO2

9

Analog Switch 2 - Normally Open Terminal

CMPO

10

Comparator Output

11

Positive-Supply Voltage Input

NO1

12

Analog Switch 1 - Normally Open Terminal

EP

EP

Exposed pad. Connect to GND.

1

2

3

45

6

7

8

9

10

11

12

COM1

NC1

IN1

COM2

NO2

NC2

CMP-

GND

IN2

NO1

VCC

CMPO

+

V+/3