DG304A Datasheet, PDF (6/9 Pages) Vishay Siliconix – CMOS Analog Switches

DG304A/305A/306A/307A
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Supply Currents vs. Toggle Frequency
8
V+ = 15 V
R_{L =} R
C_L = 0
6
V_S = Open
4
2
0
1k
10 k
100 k
1M
f – Frequency (Hz)
SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
V+
S
V_IN
GND
V–
Level
Shift/
Drive
FIGURE 1.
V–
V+
D
TEST CIRCUITS
+15 V
V_S = 3 V
15 V
V+
S
D
IN
GND
V–
R_L
300 W
–15 V
C_L (includes fixture and stray capacitance)
V_O = V_S
R_L
R_L + r_DS(on)
www.vishay.com S FaxBack 408-970-5600
4-6
V_O
C_L
33 pF
Logic
Input
0V
V_S
0V
Switch
Output
FIGURE 2. Switching Time
Logic “1” = Switch On
V_INH
50%
90%
t_ON
10%
t_OFF
Document Number: 70045
S-52880—Rev. C, 28-Apr-97