DG445 datasheet(2/12 Pages) INTERSIL

Part #	DG445

Description	Monolithic, Quad SPST, CMOS Analog Switches

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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2 / 12 page

2

FN3586.10

June 4, 2007

Functional Diagrams

Schematic Diagram (One Channel)

TRUTH TABLE

LOGIC

VIN

DG444

DG445

0

≤0.8V

ON

OFF

1

≥2.4V

OFF

ON

S1

D1

S2

D2

S3

D3

S4

D4

IN1

DG444

IN2

IN3

IN4

S1

D1

S2

D2

S3

D3

S4

D4

IN1

DG445

SWITCHES SHOWN FOR LOGIC “1” INPUT

IN2

IN3

IN4

Pin Descriptions

SYMBOL

DESCRIPTION

1IN1

Logic Control for Switch 1

2D1

Drain (Output) Terminal for Switch 1

3S1

Source (Input) Terminal for Switch 1

4

V-

Negative Power Supply Terminal

5

GND

Ground Terminal (Logic Common)

6S4

Source (Input) Terminal for Switch 4

7D4

Drain (Output) Terminal for Switch 4

8IN4

Logic Control for Switch 4

9IN3

Logic Control for Switch 3

10

D3

Drain (Output) Terminal for Switch 3

11

S3

Source (Input) Terminal for Switch 3

12

VL

Logic Reference Voltage

13

V+

Positive Power Supply Terminal (Substrate)

14

S2

Source (Input) Terminal for Switch 2

15

D2

Drain (Output) Terminal for Switch 2

16

IN2

Logic Control for Switch 2

S

D

V+

INX

GND

V-

V+

VL

DG444, DG445

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