DG418 Datasheet, PDF (8/10 Pages) TEMIC Semiconductors – Precision CMOS Analog Switches

DG417/418/419
Test Circuits (Cont’d)
+5 V
+15 V
R_g
V_L
S
V+
D
V_g
IN
3V
GND
V–
V_O
C_L
10 nF
V_O
IN_X
OFF
–15 V
Figure 5. Charge Injection
DV_O
ON
OFF
Q = DV_O x C_L
+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
+5 V +15 V
C
C
50 W V_S
V_L
V+
S
D
V_O
R_g = 50 W
IN
R_L
0V, 2.4 V
V–
C
GND
V–
C
–15 V
X_TALK Isolation = 20 log
C = RF bypass
V_S
V_O
–15 V
V_S
Off Isolation = 20 log
V_O
Figure 6. Crosstalk (DG419)
Figure 7. Off Isolation
+5 V
C
V_S
R_g = 50 W
0V, 2.4 V
V_L
S
IN
GND
+15 V
C
V+
D
V–
C
V_O
R_L
–15 V
Figure 8. Insertion Loss
8
Siliconix
S-52880—Rev. D, 28-Apr-97