DG428 Datasheet, PDF (10/11 Pages) Vishay Siliconix – Single 8-Ch/Differential 4-Ch Latchable Analog Multiplexers

DG428/429
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 W
–15 V
+5 V
V_O
35 pF
3V
WR
0V
V_O
Switch
Output
0V
FIGURE 7. Write Turn-On Time t_ON(WR)
50%
t_ON(WR)
20%
+2.4 V
+15 V
V+
EN
S₁ or S_1b
A₀, A₁, (A₂)
Remaining
Switches
DG42
RS ^DG429
GND WR
D_b, D
V–
300 W
–15 V
+5 V
V_O
35 pF
3V
RS
0V
V_O
Switch
Output
0V
50%
t_OFF(RS)
80%
FIGURE 8. Reset Turn-Off Time t_OFF(RS)
+15 V
V+
A₀, A₁, (A₂)
RS
R_g
S
D
V_g
3V
IN
GND WR
V–
–15 V
www.vishay.com S FaxBack 408-970-5600
5-10
2.4 V
V_O
C_L
1 nF
OFF
EN
V_O
ON
OFF
DV_O
DV_O is the measured voltage error due to
charge injection. The charge in coulombs is Q =
C_L x DV_O
FIGURE 9. Charge Injection
Document Number: 70063
S-52433—Rev. J, 06-Sep-99