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Document Number: 71399
S11-1066–Rev. E, 30-May-11
Vishay Siliconix
DG441L, DG442L
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
APPLICATIONS
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Tech-
nology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and reliability
data, see www.vishay.com/ppg?71399
.
Figure 7. Power MOSFET Driver
+ 12 V
+ 12 V
GND V-
V+
0 = Load Off
1 = Load On
+ 24 V
I = 3A
VN0300L, M
DG442L
+ 12 V
10 k
150
R
L
IN
Figure 8. Open Loop Sample-and-Hold
H = Sample
L = Hold
0 V
+ 12 V
V
IN
V
OUT
C
H
SD
IN
1/4 DG442L
+
-
+
-
Figure 9. Precision-Weighted Resistor Programmable-Gain Amplifier
+ 12 V
V
V+
V- GND
DG441L or DG442L
+
-
V
IN
V
OUT
Gain error is determined only by the resistor
tolerance. Op amp offset and CMRR will limit ac-
curacy of circuit.
GAIN
1
A
V
= 1
GAIN
2
A
V
= 10
GAIN
3
A
V
= 20
GAIN
4
A
V
= 100
R
1
90 k
R
2
5 k
R
3
4 k
R
4
1 k
V
OUT
V
IN
=
R
1
+ R
2
+ R
3
+ R
4
R
4
= 100
With SW
4
Closed
