DG467 Datasheet, PDF (7/9 Pages) Vishay Siliconix – Low Power, High Voltage SPST Analog Switches

DG467/DG468
Vishay Siliconix
TYPICAL CHARACTERISTICS T_A = 25 °C, unless otherwise noted
15
2.4
10
± 15 V Power supply
5
C_L = 1 nF
0
2.0
-5
- 10
12 V Power supply
C_L = 1 nF
1.6
- 15
- 20
- 25
1.2
- 30
- 35
- 40
- 15
- 10
-5
0
5
10
15
V_COM (V)
Charge Injection vs. Analog Voltage
0.8
5
10
15
20
25
30
V+ - Supply Voltage (V)
Input Switching Threshold vs. Supply Voltage
TEST CIRCUITS
V_O is the steady state output with the switch on.
10 V
NO/NC
IN
GND
+ 15 V
V+
COM
V-
R_L
300 Ω
V_O
C_L
35 pF
Logic
3V
Input
0V
50 %
Switch
V_S
Input
V_O
90 %
t_r < 20 ns
t_f < 20 ns
t_OFF
- 15 V
Switch
0V
Output
t_ON
C_L (includes fixture and stray capacitance)
V_O = V_S
R_L
R_L + r_ON
Note: Logic input waveform is inverted for switches that have the
opposite logic sense.
Figure 1. Switching Time
R_g
V _gen
3V
COM
IN
GND
+ 15 V
V+
NO/NC
V-
- 15 V
V_O
C_L
1 nF
V_O
IN_X
OFF
Figure 2. Charge Injection
ΔV_O
ON
Q = ΔV_O x C_L
OFF
Document Number: 74413
S-70327–Rev. B, 26-Feb-07
www.vishay.com
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