DG418BDQ-T1 Datasheet, PDF (8/16 Pages) Vishay Siliconix – Precision Monolithic Quad SPST CMOS Analog Switches

DG417B, DG418B, DG419B
Vishay Siliconix
TEST CIRCUITS
+5V
V_L
S₁
V_S1
S₂
V_S2
IN
GND
+1V
V+
D
V-
- 15 V
Logic
3V
Input
0V
V_O
R_L
C_L
300
35 pF
V_S1 = V_S2
V_O
Switch _{0 V}
Output
C_L (includes fixture and stray capacitance)
Figure 3. Break-Before-Make (DG419B)
+5V
+ 15 V
V_L
V_S1
S₁
V_S2
S₂
IN
GND
V+
D
V_O
R_L
C_L
300
35 pF
V-
3V
Logic
Input
0V
V_S1
V₀₁
Switch
Output
- 15 V
V_S2
C_L (includes fixture and stray capacitance)
V_O = V_S
R_L
R_L + r_DS(on)
Figure 4. Transition Time (DG419B)
90 %
t_D
50 %
t_TRANS
V₀₂
t_r < 5 ns
t_f < 5 ns
t_D
t_r < 5 ns
t_f < 5 ns
t_TRANS
90 %
10 %
+5V
+ 15 V
R_g
V_L
S
IN
3V
GND
V+
D
V_O
C_L
10 nF
V-
V_O
IN_X
OFF
- 15 V
Figure 5. Charge Injection
V_O
ON
Q = V_O x C_L
OFF
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8
Document Number: 72107
S09-1261-Rev. D, 13-Jul-09