dg9451 Vishay, dg9451 Datasheet - Page 9

• Manufacturer Part Number: dg9451
• Description: 8-channel Multiplexer, With 0.5 Pc Charge Injection
• Manufacturer: Vishay

TEST CIRCUITS
Document Number: 65020
S10-0773-Rev. A, 05-Apr-10
V
g
ENABLE
C
A
B
GND
Channel
Select
50 Ω
Insertion Loss = 20 log
R
g
V
V
CC
CC
V
V
Figure 5. Insertion Loss
EE
EE
ENABLE
Xx
ENABLE
A
B
C
C
A
B
GND
GND
X0
X
V
V
V
CC
CC
V
CC
V
V
V
V
EE
V
EE
V
EE
EE
V
CC
V
OUT
OUT
IN
IN
X0 - X7
X
X
50 Ω
V
Network Analyzer
300 Ω
g
V
CC
R
g
= 50 Ω
Figure 3. Break-Before-Make
1 nF
35 pF
Figure 4. Charge Injection
V
V
O
O
V
CC
V
V
ENABLE
O
ENABLE
A
B
C
V
V
A, B, C
O
GND
V
0 V
Off Isolation = 20 log
CC
V
V
1.8 V
0 V
V
CC
0 V
CC
V
V
X0
EE
EE
Figure 6. Off Isolation
OFF
t
X0
D
X
50 %
V
V
V
V
OUT
OUT
Vishay Siliconix
IN
ON
IN
80 %
Network Analyzer
50 Ω
V
g
DG9451
www.vishay.com
t
t
OFF
r
f
< 5 ns
< 5 ns
R
g
= 50 Ω
ΔV
O
9