DG417L_08 Datasheet, PDF (9/11 Pages) Vishay Siliconix – Precision Monolithic Low-Voltage CMOS Analog Switches

TEST CIRCUITS
DG417L/418L/419L
Vishay Siliconix
+5V
V_L
NO or NC
V_S1
NC or NO
V_S2
IN
GND
+ 15 V
V+
COM
R_L
300 Ω
V-
V-
C_L (includes fixture and stray capacitance)
V_O = V_S
R_L
R_L + r_ON
V_O
C_L
35 pF
Logic _VINH
Input
V_INL
V_S1
V₀₁
Switch
Output
V_S2
50 %
t_TRANS
V₀₂
Figure 4. Transition Time (DG419L)
t_r < 5 ns
t_f < 5 ns
t_TRANS
90 %
10 %
V_L
R_g
V_L
COM
V_g
IN
GND
V_IN = 0 - V+
V+
V+
NO or NC
V-
V-
V_O
C_L
1 nF
ΔV_O
V_O
IN
OFF
ON
OFF
Q = ΔV_O x C_L
IN dependent on switch configuration Input polarity determined
by sense of switch.
Figure 5. Charge Injection
V_L
C
V_L
V_S
V_IN NO or NC
R_g = 50 Ω
IN
0 V or 2.4 V
V_OUT
NC or NO
V+
C
V+
COM
50 Ω
GND
V-
C
X_TALK Isolation = 20 log
C = RF bypass
V_OUT
V_IN
V-
Figure 6. Crosstalk (DG419L)
Document Number: 71763
S-71009–Rev. E, 14-May-07
www.vishay.com
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