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DG508AMIL Datasheet, PDF (8/11 Pages) Vishay Siliconix – Single 8-Ch/Differential 4-Ch CMOS Analog Multiplexers
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DG508A_MIL/509A_MIL
Vishay Siliconix
TEST CIRCUITS
+15 V
+2.4 V
V+
EN
All S and Da
A0 DG508A_MIL
A1 DG509A_MIL
A2
Db, D
GND
V–
+5 V
50 W
–15 V 300 W
VO
35 pF
Logic
3V
Input
0V
VS
Switch
Output
VO
0V
50%
tr <20 ns
tf <20 ns
80%
tOPEN
Rg
Vg
Channel
Select
FIGURE 4. Break-Before-Make Interval
SX
EN
A0
A1
A2
GND
+15 V
V+
D
V–
–15 V
VO
CL
10 nF
Logic
Input
3V
OFF
ON
0V
OFF
Switch
Output
DVO
DVO is the measured voltage due to charge transfer
error Q, when the channel turns off.
Q = CL x DVO
FIGURE 5. Charge Injection
VIN
VS
Rg = 50 W
+15 V
SX
V+
S8
A0
A1
A2
GND EN
D
V–
VO
RL
1 kW
–15 V
Off Isolation = 20 log
VOUT
VIN
FIGURE 6. Off Isolation
+15 V
VIN
S1
V+
VS
SX
Rg = 50 W
S8
A0
A1
A2
GND EN
D
V–
VO
RL
1 kW
–15 V
Crosstalk = 20 log
VOUT
VIN
FIGURE 7. Crosstalk
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5-8
Document Number: 70067
S-00405—Rev. C, 21-Feb-00
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