DG441LE, DG442LE
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Vishay Siliconix
S16-0392-Rev. A, 07-Mar-16
12
Document Number: 76754
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APPLICATIONS
Fig. 7 - Power MOSFET Driver Fig. 8 - Open Loop Sample-and-Hold
Fig. 9 - Precision-Weighted Resistor Programmable-Gain Amplifier
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Technology 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?76754
.
+ 12 V
+ 12 V
GND V-
V+
0 = Load Off
1 = Load On
+ 24 V
I = 3A
VN0300L, M
DG442L
+ 12 V
10 kΩ
150 Ω
R
L
IN
H = Sample
L = Hold
0 V
+ 12 V
V
IN
V
OUT
C
H
SD
IN
1/4 DG442L
+
-
+
-
+ 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 kΩ
R
2
5 kΩ
R
3
4 kΩ
R
4
1 kΩ
V
OUT
V
IN
=
R
1
+ R
2
+ R
3
+ R
4
R
4
= 100
With SW
4
Closed
