Datasheet

MAX4571–MAX4574
Serially Controlled, Clickless
Audio/Video Switches
_______________________________________________________________________________________ 9
Figure 2. Switching Time
DECODER/
CONTROLLER
DECODER/
CONTROLLER
2/3
SIGNAL
GENERATOR 0dBm
V+
10nF
ANALYZER
NO_ _
R
L
GND
COM_
V+
2/3
SIGNAL
GENERATOR 0dBm
V+
10nF
a) Off-Isolation
b) Crosstalk
NO2
GND
COM1
NO1
50Ω
COM2
N.C.
ANALYZER
R
L
V+
MAX4571
MAX4572
MAX4573
MAX4574
MAX4571
MAX4572
MAX4573
MAX4574
R
L
300Ω
C
L
35pF
V
OUT
NO
V+
V+
GND
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE
V
OUT
= V
COM
[R
L
/ (R
L
+ R
ON
)]
2 OR 3
SERIAL
INTERFACE
DECODER/
CONTROLLER
µP
3-Wire
2-Wire
SCL
CS
3V
0
V
OUT
0
V
OUT
0
3V
0
V
OUT
0
V
OUT
0
50%
50%
t
ON
t
ON
t
OFF
t
OFF
0.9
•
V
OUT
0.1
•
V
OUT
0.9
•
V
OUT
0.1
•
V
OUT
t
r
< 20ns
t
f
< 20ns
ACKNOWLEDGE
BIT
NO_ _ COM_
MAX4571
MAX4572
MAX4573
MAX4574
Figure 1. Off-Isolation and Crosstalk