DG428 Vishay, DG428 Datasheet - Page 10

• Manufacturer Part Number: DG428
• Description: Single 8-ch/differential 4-ch Latchable Analog Multiplexers
• Manufacturer: Vishay

DG428/429
Vishay Siliconix
www.vishay.com FaxBack 408-970-5600
5-10
V
g
+2.4 V
+2.4 V
3 V
R
g
EN
A
RS
WR
EN
A
RS
0
GND
, A
0
GND
, A
1
A
S
IN
, (A
GND
1
0
, (A
, A
DG428
DG429
DG42
DG429
2
)
1
2
+15 V
V+
, (A
)
WR
V+
+15 V
Remaining
+15 V
2
Remaining
WR
S
Switches
)
V+
S
1
Switches
–15 V
1
or S
–15 V
V–
D
or S
V–
D
b
, D
b
300
1b
, D
–15 V
1b
300
V–
RS
D
+5 V
+5 V
FIGURE 8. Reset Turn-Off Time t
FIGURE 7. Write Turn-On Time t
1 nF
2.4 V
35 pF
FIGURE 9. Charge Injection
C
35 pF
L
V
V
O
V
O
O
Switch
Output
WR
Switch
Output
ON(WR)
OFF(RS)
RS
3 V
0 V
V
0 V
O
V
EN
3 V
0 V
V
0 V
O
O
charge injection. The charge in coulombs is Q =
C
V
L
O
x V
OFF
is the measured voltage error due to
O
50%
t
ON(WR)
50%
t
OFF(RS)
ON
S-52433—Rev. J, 06-Sep-99
Document Number: 70063
20%
80%
OFF
V
O