MAX4639 Maxim, MAX4639 Datasheet - Page 12
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MAX4639
Manufacturer Part Number
MAX4639
Description
The MAX4638/MAX4639 are single 8:1 and dual 4:1 CMOS analog multiplexers/demultiplexers (muxes/demuxes)
Manufacturer
Maxim
Datasheet
1.MAX4638.pdf
(16 pages)
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3.5Ω, Single 8:1 and Dual 4:1,
Low-Voltage Analog Multiplexers
Figure 8. Channel Off/On-Capacitance
12
Figure 6. Off-Isolation/On-Channel Bandwidth
CHANNEL
SELECT
______________________________________________________________________________________
V
R
IN
S
= 50Ω
A2
A1
A0
GND
A0
A1
A2
NO1
NO8
MAX4638
MAX4639
GND
V
EN
EN
V+
V+
MAX4638
MAX4639
EN
V
EN
V+
V+
V-
V-
COM
NO1
NO8
OFF-ISOLATION = 20log
1µF
COM
V-
V-
R
50Ω
L
CAPACITANCE
ANALYZER
f = 1MHz
1MHz
V
V
OUT
IN
C
5pF
L
Test Circuits/Timing Diagrams (continued)
V
OUT
Figure 7. Crosstalk
TRANSISTOR COUNT: 632
Note: Exposed pad on thin QFN packages is connected to V-.
R
R
50Ω
G
= 50Ω
V
IN
A0
A1
A2
NO1
NO2
NO8
GND
MAX4638
MAX4639
V
EN
EN
Chip Information
V+
V+
1µF
1µF
COM
CROSSTALK = 20log
V-
V-
R
50Ω
L
V
OUT
V
V
OUT
IN
C
5pF
L