DG2741_11 Datasheet, PDF (7/10 Pages) Vishay Siliconix – Low-Voltage, 0.8ohm RON, Dual SPST Analog Switch

DG2741, DG2742, DG2743
Vishay Siliconix
TEST CIRCUITS
V+
Switch
Input
Logic
Input
V+
NO or NC
COM
IN
GND
Switch Output
V_OUT
R_L
50 
C_L
35 pF
Logic
Input
V_INH
V_INL
50 %
Switch
Output
0V
t_ON
t_r < 5 ns
t_f < 5 ns
0.9 x V_OUT
t_OFF
C_L (includes fixture and stray capacitance)
V_OUT =
V_COM
R_L
R_L + R_ON
V+
Logic “1” = Switch On
Logic input waveforms inverted for switches that have
the opposite logic sense.
Figure 1. Switching Time
V_gen
R_gen
+
V_IN = 0 - V+
COM
V+
NC or NO
IN
GND
V_OUT
V_OUT
V_OUT
C_L = 1 nF
IN
On
Off
On
Q = V_OUT x C_L
IN depends on switch configuration: input polarity
determined by sense of switch.
Figure 2.Charge Injection
R_L
Analyzer
V+
10 nF
V+
NC or NO
COM
IN
0 V, 2.4 V
GND
V_COM
Off Isolation = 20 log _{VNO/ NC}
Figure 3. Off-Isolation
V+
10 nF
V+
COM
IN
0 V, 2.4 V
NC or NO
GND
Meter
HP4192A
Impedance
Analyzer
or Equivalent
f = 1 MHz
Figure 4. Channel Off/On Capacitance
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?72708.
Document Number: 72708
S11-0303-Rev. B, 28-Feb-11
www.vishay.com
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