Datasheet

MAX4638/MAX4639
3.5 Ω , Single 8:1 and Dual 4:1,
Low-Voltage Analog Multiplexers
12
Maxim Integrated
V+
V
OUT
V-
GND
V+
A1
V-
A0
A2
NO8
COM
MAX4638
MAX4639
NO1
R
S
= 50Ω
V
IN
EN
1μF
R
L
50Ω
C
L
5pF
OFF-ISOLATION = 20log
V
OUT
V
IN
V
EN
Figure 7. Crosstalk
V+
V
OUT
V-
GND
V+
A1
V-
A0
A2
NO8
COM
MAX4638
MAX4639
NO2
R
G
= 50Ω
V
IN
EN
1μF
R
L
50Ω
C
L
5pF
NO1
R
50Ω
CROSSTALK = 20log
V
OUT
V
IN
V
EN
1μF
Figure 8. Channel Off/On-Capacitance
V+
V-
GND
V+
A2
V-
A1
A0
NO8
MAX4638
MAX4639
CHANNEL
SELECT
NO1
COM
EN
1MHz
CAPACITANCE
ANALYZER
f = 1MHz
V
EN
Test Circuits/Timing Diagrams (continued)
Figure 6. Off-Isolation/On-Channel Bandwidth