DG2727 Datasheet, PDF (5/8 Pages) Vishay Siliconix – 0.65-ohm, Low Voltage, Negative Swing Capable, Dual SPST Analog Switch

DG2727, DG2728, DG2729
Vishay Siliconix
TYPICAL CHARACTERISTICS T_A = 25 °C, unless otherwise noted
2.00
0.1
1.75
1.50
R_L = 600 Ω
V _Signal = 0.5 V_p-p
1.25
1.00
0.01
V+ = 2.7 V
0.75
0.50
V+ = 3.6 V
0.25
0.00
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V+ - Supply Voltage (V)
Switching Threshold vs. Supply Voltage
0.001
10
100
1000
10 000
100 000
Frequency (Hz)
Total Harmonic Distortion vs. Frequency
TEST CIRCUITS
Switch
Input
Logic
Input
V+
V+
S
D
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)
( ) ^V_OUT = ^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
S₂
IN₂
S₁
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
Switch
Output
Switch
Output
V_INH
V_INL
V_S2
V_O2
0V
V_S1
V_O1
0V
50 %
90 %
90 %
t_D
t_D
C_L (includes fixture and stray capacitance)
Figure 2. Break-Before-Make (DG2729)
Document Number: 69049
S09-0557-Rev. A, 13-Apr-09
www.vishay.com
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