 English |
|
|
|
|
|
|
|
| DG408 Datasheet, PDF (10/12 Pages) Intersil Corporation – Single 8-Channel/Differential 4-Channel, CMOS Analog Multiplexers | |||
| |||
| ◁ |
DG408/409
Vishay Siliconix
TEST CIRCUITS
Rg
Channel
Select
SX
EN
A0
A1
A2
GND
+ 15 V
V+
D
V-
- 15 V
VO
CL
10 nF
Logic 3 V
Input
OFF
ON
0V
OFF
Switch
Output
ÎVO
ÎVO is the measured voltage due to charge transfer
error Q, when the channel turns off.
Q = CL x ÎVO
Figure 5. Charge Injection
VIN
VS
Rg = 50 Ω
+ 15 V
SX
V+
S8
A0
A1
A2
GND EN
D
V-
VO
RL
1 kΩ
- 15 V
Off Isolation = 20 log
VOUT
VIN
Figure 6. Off Isolation
+ 15 V
VIN
S1
V+
VS
SX
Rg = 50 Ω
S8
A0
A1
A2
GND EN
D
V-
VO
RL
1 kΩ
- 15 V
Crosstalk = 20 log
VOUT
VIN
Figure 7. Crosstalk
+ 15 V
VS
Rg = 50 Ω
S1
V+
A0
A1
A2
GND EN
D
V-
VO
RL
1 kΩ
- 15 V
Insertion Loss = 20 log
VOUT
VIN
Figure 8. Insertion Loss
Channel
Select
+ 15 V
V+
A2
A1
A0
GND EN
S1
S8
D
V-
- 15 V
Meter
HP4192A
Impedance
Analyzer
or Equivalent
f = 1 MHz
Figure 9. Source Drain Capacitance
www.vishay.com
10
Document Number: 70062
S-71155âRev. G, 11-Jun-07
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese