DG428_11 Datasheet, PDF (10/14 Pages) Vishay Siliconix – Single 8-Ch/Differential 4-Ch Latchable Analog Multiplexers

DG428, DG429
Vishay Siliconix
TEST CIRCUITS
+ 2.4 V
+ 15 V
V+
EN
S₁ or S_1b
A₀, A₁, (A₂)
Remaining
Switches
RS
DG428
WR DG429 Db, D
GND
V-
300 Ω
- 15 V
+5V
V_O
35 pF
3V
WR
0V
V_O
Switch
Output
0V
+ 15 V
Figure 7. Write Turn-On Time t_ON(WR)
+ 2.4 V
V+
EN
S₁ or S_1b
A₀, A₁, (A₂)
Remaining
Switches
DG42
RS ^DG429
GND WR
D_b, D
V-
300 Ω
- 15 V
+5V
V_O
35 pF
3V
RS
0V
V_O
Switch
Output
0V
Figure 8. Reset Turn-Off Time t_OFF(RS)
50 %
t_ON(WR)
20 %
50 %
t_OFF(RS)
80 %
R_g
V_g
3V
+ 15 V
V+
A₀, A₁, (A₂)
S
IN
GND WR
RS
D
V-
- 15 V
2.4 V
V_O
C_L
1 nF
Figure 9. Charge Injection
OFF
EN
V_O
ON
OFF
Δ V_O
ΔV_O is the measured voltage error due to
charge injection. The charge in coulombs is Q =
C_L x ΔV_O
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Document Number: 70063
10
S11-1350–Rev. K, 04-Jul-11
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000