DG2041 Datasheet, PDF (9/9 Pages) Vishay Siliconix – Low-Voltage, Low rON Quad SPST Analog Switch

New Product
DG2041/2042/2043
Vishay Siliconix
TEST CIRCUITS
Switch
Input
Logic
Input
V+
V+
NO or NC
COM
IN
GND
Switch Output
V_OUT
R_L
300 W
C_L
35 pF
Logic
Input
V_INH
V_INL
50%
Switch
Output
0V
t_ON
t_r t 5 ns
t_f t 5 ns
0.9 x V_OUT
t_OFF
C_L (includes fixture and stray capacitance)
ǒ Ǔ V_OUT + V_COM
R_L
R_L ) R_ON
FIGURE 1. Switching Time
Logic “1” = Switch On
Logic input waveforms inverted for switches that have
the opposite logic sense.
V+
V_gen
R_gen
+
V_IN = 0 - V+
COM
V+
NC or NO
IN
GND
V_OUT
C_L = 1 nF
V_OUT
DV_OUT
IN
On
Off
On
Q = DV_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+
10 nF
V+
NC or NO
COM
IN
0V, 2.4 V
0 V, 2.4 V
GND
V_COM
Off Isolation + 20 log _VNOńNC
V+
COM
IN
NC or NO
GND
Meter
HP4192A
Impedance
Analyzer
or Equivalent
f = 1 MHz
FIGURE 3. Off-Isolation
FIGURE 4. Channel Off/On Capacitance
Document Number: 72091
S-03008—Rev. A, 20-Jan-03
www.vishay.com
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