DG458_08 Datasheet, PDF (7/10 Pages) Vishay Siliconix – Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers

SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
V+
GND
V_REF
V+
A₀
V-
V+
A_X
V-
V+
EN
V-
Level
Shift
Decode/
Drive
TEST CIRCUITS
DG458/459
Vishay Siliconix
V-
D
S₁
S_n
I_S(off)
± V_S
A
S_n
+ 15 V
V+
D
I_D(off)
A
V-
V_D
- 15 V
Figure 2. Analog Input Overvoltage
+ 15 V
+ 2.4 V
EN
V+
S_1b
±5V
A₂
*
A₁ ^{DG458 S}8b
A₀
D_b
GND V-
50 Ω
1 MΩ
- 15 V
± 5V
V_O
35 pF
Logic
Input
Switch
Output
V_O
3V
0V
+5V
-5V
* = S_1a - S _8a, S_2b - S _7b, D_a
Figure 3. Transition Time
Document Number: 70064
S-71155–Rev. G, 11-Jun-07
50 %
90 %
t_A
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