Precision, Dual-Supply, SPST

Analog Switches

6

_______________________________________________________________________________________

NC

or NO

-5V

V-

V+

IN

OFF

ON

OFF

Q = (

COM

IN DEPENDS ON SWITCH CONFIGURATION;

INPUT POLARITY DETERMINED BY SENSE OF SWITCH.

OFF

ON

OFF

IN

+5V

IN

MAX320

MAX321

MAX322

Figure 4. Charge Injection

tr < 20ns

tf < 20ns

50%

LOGIC

INPUT

V-

-5V

300

Ω

NO

or NC

(

)

SWITCH

INPUT

IN

0V

COM

SWITCH

OUTPUT

SWITCH

OUTPUT

LOGIC

INPUT

LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES

THAT HAVE THE OPPOSITE LOGIC SENSE.

V+

35pF

+5V

MAX320

MAX321

MAX322

50%

0V

LOGIC

INPUT

SWITCH

OUTPUT 2

0V

tD

tD

LOGIC

INPUT

V-

-5V

300

Ω

COM2

IN

COM1

V+

+5V

35pF

300

Ω

35pF

NO1

NC2

SWITCH

OUTPUT 1

MAX322

Figure 2. Switching Time

Figure 3. Break-Before-Make Interval (MAX322 only)

______________________________________________Test Circuits/Timing Diagrams