DG2737 Datasheet, PDF (6/8 Pages) Vishay Siliconix – 6-Ω, Low Voltage, Dual SPST Analog Switch

DG2737, DG2738, DG2739
Vishay Siliconix
TEST CIRCUITS
Switch
Input
Logic
Input
V+
V+
S
D
V_IN
GND
0V
Switch Output
V_OUT
R_L
50 Ω
C_L
35 pF
Logic
Input
Switch
Output
C_L (includes fixture and stray capacitance)
( ) ^VOUT
= V_D
R_L
R_L ⁺ R_ON
Figure 1. Switching Time
V_INH
V_INL
50 %
t_r ^< 5 ns
t_f < 5 ns
0.9 x V_OUT
0V
t_ON
t_OFF
Logic "1" = Switch On
Logic input waveforms inverted for switches that have
the opposite logic sense.
V_S2
V_S1
V_g
S₂
V_IN2
S₁
V_IN1
GND
V+
V+
D₂
V_O2
D₁
V_O1
R_L1
50 Ω
C_L1
35 pF
R_L2
50 Ω
C_L2
35 pF
Logic
Input
V_INH
V_INL
V_S2
V_O2
Switch
Output
0V
V_S1
V_O1
Switch
0V
Output
50 %
90 %
90 %
t_D
t_D
C_L (includes fixture and stray capacitance)
Figure 2. Break-Before-Make (DG2739)
V+
V+
R_g
S
D
V_IN = 0 - V+ VIN
GND
V_O
C_L
1 nF
V_O
V_INX
OFF
OFF
V_INX
ΔV_O
ON
OFF
ON
Q = ΔV_O x C_L
OFF
Figure 3. Charge Injection
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Document Number: 68801
S-82643-Rev. B, 03-Nov-08