35

Ω, SPST/SPDT, +3V

Logic-Compatible Analog Switches

8

_______________________________________________________________________________________

______________________________________________________________Pin Description

PIN

NAME

FUNCTION

DG417L

DG418L

DG419L

1

1

1

COM

Analog Switch Common Terminal

2, 5

2, 5

5

N.C.

No Connection. Not internally connected.

3

3

3

GND

Logic Ground

4

4

4

V+

Analog Signal Positive Supply Input

6

6

6

IN

Logic-Level Input

7

7

7

V-

Analog Signal Negative Supply Input

8

—

2

NC

Analog Switch Normally Closed Terminal

—

8

8

NO

Analog Switch Normally Open Terminal

_____________________________________________________Test Circuits/Timing Diagrams

50%

0

LOGIC

INPUT

V-

V-

300

Ω

GND

(

)

SWITCH

INPUT

IN

+3V

0

COM

SWITCH

OUTPUT

SWITCH

OUTPUT

LOGIC

INPUT

LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES

THAT HAVE THE OPPOSITE LOGIC SENSE.

N.C.

V+

35pF

V+

DG417L

DG418L

NC

OR NO

50%

0

LOGIC

INPUT

V-

V-

300

Ω

COM

GND

LOGIC

INPUT

NC

IN

+3V

V+

NO

SWITCH

OUTPUT

DG419L

V+

N.C.

35pF

Figure 1. DG417L/DG418L Switching Time

Figure 2. DG419L Transition Time