Datasheet

MAX4508/MAX4509
Fault-Protected, High-Voltage Single 8-to-1/
Dual 4-to-1 Multiplexers with Output Clamps
______________________________________________________________________________________ 13
50%
t
OPEN
t
R
< 20ns
t
F
< 20ns
+5V
+3V
0V
LOGIC
INPUT
V
A
SWITCH
OUTPUT
V
OUT
+15V
V
OUT
-15V
GND
V+
A0
V-
A1
A2
EN
NO1–NO8
COM
+10V
50Ω
MAX4508
1k
35pF
80%
+2.4V
0V
V
A
V
EN
ΔV
OUT
+3V
0V
LOGIC
INPUT
V
EN
+15V
V
OUT
-15V
GND
V+
A1
V-
A0
A2
EN
COM
MAX4508
C
L
1000nF
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
C
L
V
EN
+15V
V
OUT
-15V
GND
V+
A1
V-
A0
A2
NO8
COM
MAX4508
NO1
R
S
= 50Ω
V
IN
EN
10nF
R
L
75Ω
OFF-ISOLATION = 20log
V
OUT
V
IN
10nF
+15V
V
OUT
-15V
GND
V+
A1
V-
A0
A2
NO8
COM
MAX4508
NO2
R
G
= 50Ω
V
IN
EN
10nF
R
L
75Ω
10nF
NO1
R
1kΩ
CROSSTALK = 20log
V
OUT
V
IN
Figure 4. MAX4508 Break-Before-Make Interval
Figure 5. Charge Injection
Figure 6. Off-Isolation
Figure 7. Crosstalk
Test Circuits/Timing Diagrams (continued)