DG401 Datasheet, PDF (8/10 Pages) Intersil Corporation – Monolithic CMOS Analog Switches

DG401/403/405
Test Circuits (Cont’d)
+5 V
+15 V
R_g
V_L
S
V+
D
V_g
IN
3V
GND
V–
–15 V
V_O
C_L
10 nF
V_O
IN
On
DV_O
Off
On
Q = DV_O x C_L
V_S
R_g = 50 W
0V, 2.4 V
+5 V +15 V
Figure 4. Charge Injection
C
C
V_L
S
V+
D
IN
GND
V–
C
–15 V
Off Isolation = 20 log ^VS
V_O
C = RF bypass
Figure 5. Off Isolation
V_O
R_L
100 W
V_S
R_g = 50 W
0V, 2.4 V
+5 V
C
V_L
S
IN
GND
+15 V
C
V+
D
V–
C
C = RF bypass
–15 V
Figure 6. Insertion Loss
V_O
R_L
100 W
+5 V
C
V_S
R_g = 50 W
V_O
V_L
S₁
S₂
R_L
0.8 V
IN
GND
+15 V
C
V+
D
V–
C
–15 V
X_TALK Isolation = 20 log ^VS
C = RF bypass
V_O
Figure 7. Crosstalk
50 W
+5 V
C
V_L
+15 V
C
V+
S
IN
0 V, 2.4 V
GND
D
V–
C
–15 V
Figure 8. Capacitances
Meter
HP4192A
Impedance
Analyzer
or Equivalent
f = 1 MHz
8
Siliconix
S-53748—Rev. E, 05-Jun-97