DG213 TEMICs, DG213 Datasheet - Page 6

• Manufacturer Part Number: DG213
• Description: Quad Complementary CMOS Analog Switch
• Manufacturer: TEMICs

Test Circuits (Cont’d)
Off Isolation = 20 log
V
V
DG213
6
S1
S2
V
S
V
g
R
g
0V, 2.4 V
= 50
S
IN
S
IN
GND
+5 V
1
2
V
3 V
1
2
R
L
g
C
Figure 4. Off Isolation
L
V
(includes fixture and stray capacitance)
V
C
O
S
IN
S
S
IN
GND
GND
+15 V
–15 V
V+
V–
+15 V
D
D
V+
V+
1
2
+15 V
–15 V
–15 V
V–
V–
R
300 k
L2
D
D
C
Figure 3. Break-Before-Make
C
35 pF
V
L2
O2
Figure 6. Charge Injection
C
1000 pF
L
R
1 k
R
V
L1
V
L
O
O
X
C = RF bypass
TALK
C
35 pF
L1
V
Isolation = 20 log
V
S
O1
R
g
The charge injection in coulombs is Q = C
= 50
V
0V, 2.4 V
0V, 2.4 V
O
Logic
Input
Switch
Output
Switch
Output
= measured voltage error due to charge injection
Figure 5. Channel-to-Channel Crosstalk
V
IN
NC
O
X
V
V
ON
C
O
S
V
V
V
V
3 V
0 V
0 V
0 V
S
IN
S
IN
O1
O2
S1
S2
1
2
1
2
GND
S-56461—Rev. C, 29-Dec-97
V+
OFF
50%
V
90%
t
O
+15 V
D
–15 V
V–
D
D
90%
1
2
L
ON
x V
C
Siliconix
O
t
D
50
R
V
L
O