0.8

Analog Switches

_______________________________________________________________________________________

9

MEASUREMENTS ARE STANDARDIZED AGAINST

SHORT AT SOCKET TERMINALS. OFF-ISOLATION IS

MEASURED BETWEEN COM AND “OFF” TERMINAL

ON EACH SWITCH. ON-LOSS IS MEASURED BETWEEN

COM AND “ON” TERMINAL ON EACH SWITCH. SIGNAL

DIRECTION THROUGH SWITCH IS REVERSED; WORST

VALUES ARE RECORDED.

V+

V+

GND

V+

IN_

NO_

OR

NC_

COM_

MAX4741

MAX4742

MAX4743

OFF-ISOLATION = 20log

ON-LOSS = 20log

NETWORK

ANALYZER

50

Ω

50

Ω

50

Ω

50

Ω

MEAS

REF

0.1

µF

*

* ADD 50

Ω TERMINATION FOR

OFF-ISOLATION

Figure 2. Off-Isolation, On-Loss, and Crosstalk

V+

0

MAX4742

MAX4741

ERROR Q WHEN THE CHANNEL TURNS OFF.

Q =

V+

GND

V+

IN_

NO_

OR

NC_

COM_

50

Ω

MAX4741

MAX4742

MAX4743

1000pF

V+

GND

V+

IN_

NO_

OR

NC_

COM_

MAX4741

MAX4742

MAX4743

1MHz

CAPACITANCE

ANALYZER

AS

REQUIRED

Figure 3. Charge Injection

Figure 4. NO_, NC_, and COM_ Capacitance

Test Circuits/Timing Diagrams (continued)