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MAX4708ESE+

P1-P3P4-P6P7-P9P10-P12P13-P15
MAX4708/MAX4709
Fault-Protected, Single 8-to-1/
Dual 4-to-1 Multiplexers
______________________________________________________________________________________ 13
50%
t
OPEN
t
R
< 20ns
t
F
< 20ns
+5V
+3V
0V
LOGIC
INPUT
V
A
SWITCH
OUTPUT
V
OUT
V
OUT
GND
V+
A0
V-
A1
A2
EN
NO1–NO8
COM
+10V
50Ω
MAX4708
1kΩ
35pF
80%
+2.4V
0V
V
A
V
EN
Figure 4. Break-Before-Make Interval
Test Circuits/Timing Diagrams (continued)
ΔV
OUT
+3V
0V
LOGIC
INPUT
V
EN
V
OUT
GND
V+
A1
V-
A0
A2
EN
COM
MAX4708
1nF
V
OUT
NO
CHANNEL
SELECT
R
S
V
S
ONOFF OFF
ΔV
OUT
IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
ERROR V
CTE
WHEN THE CHANNEL TURNS OFF.
V
CTE
= ΔV
OUT X
C
L
V
EN
Figure 5. Charge Injection
V
OUT
GND
V+
A1
V-
A0
A2
NO8
COM
MAX4708
NO1
R
S
= 50Ω
V
IN
EN
10nF
R
L
75Ω
OFF-ISOLATION = 20log
V
OUT
V
IN
10nF
Figure 6. Off-Isolation
V
OUT
GND
V+
A1
V-
A0
A2
NO8
COM
MAX4708
NO2
R
G
= 50Ω
V
IN
EN
10nF
R
L
75Ω
10nF
NO1
R
1kΩ
CROSSTALK = 20log
V
OUT
V
IN
Figure 7. Crosstalk
MAX4708/MAX4709
Fault-Protected, Single 8-to-1/
Dual 4-to-1 Multiplexers
14 ______________________________________________________________________________________
Test Circuits/Timing Diagrams (continued)
GND
V+
A2
V-
A1
A0
NO8
MAX4708
CHANNEL
SELECT
NO1
COM
EN
1MHz
CAPACITANCE
ANALYZER
f = 1MHz
Figure 8. NO_, COM_ Capacitance
+25V
-25V
-15V
+15V
V
COM_
V
NO
_
Figure 9. Transient Behavior of Fault Condition
Functional Diagrams/Truth Tables
DECODERS/DRIVERS
COM
NO1
NO2
NO3
NO4
NO5
NO6
NO7
NO8
A0 A1 A2 EN
V+ V- GND
MAX4708
A0A1A2 EN ON SWITCH
X
0
0
0
0
1
1
1
1
X
0
0
1
1
0
0
1
1
X
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
NONE
1
2
3
4
5
6
7
8
LOGIC 0 V
AL
≤ +0.8V, LOGIC 1 V
AH
≥ +2.4V
MAX4708
DECODERS/DRIVERS
COMA
NO1A
NO2A
NO3A
NO4A
A0 A1 EN
V+ V- GND
MAX4709
COMB
NO1B
NO2B
NO3B
NO4B
A0A1 EN ON SWITCH
X
0
0
1
1
X
0
1
0
1
0
1
1
1
1
NONE
1
2
3
4
LOGIC 0 V
AL
≤ +0.8V, LOGIC 1 V
AH
≥ +2.4V
MAX4709
MAX4708/MAX4709
Fault-Protected, Single 8-to-1/
Dual 4-to-1 Multiplexers
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________
15
© 2008 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.
Revision History
REVISION
NUMBER
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
0 9/02 Initial release ⎯
1 12/08
Added chip process and packaging information; changed fault conditions
information
10, 11
P1-P3P4-P6P7-P9P10-P12P13-P15

MAX4708ESE+

Mfr. #:
Buy MAX4708ESE+
Manufacturer:
Maxim Integrated
Description:
Multiplexer Switch ICs 8:1 Fault Protected Analog MUX
Lifecycle:
New from this manufacturer.
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