DG441/442
Vishay Siliconix
APPLICATIONS
+ 15 V
+ 24 V
R
L
DG442
+ 15 V
IN
V+
150
Ω
I=3A
VN0300 L, M
+ 15 V
V
IN
10 kΩ
+ 15 V
GND
V-
+
-
1/4 DG442
S
D
C
H
+
-
V
OUT
0 = Load Off
1 = Load On
IN
- 15 V
H = Sample
L = Hold
Figure 7. Power MOSFET Driver
Figure 8. Open Loop Sample-and-Hold
V
IN
+
-
+ 15 V
V+
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
R
1
90 kΩ
With SW
4
Closed
V
OUT
V
IN
=
R
1
+ R
2
+ R
3
+ R
4
R
4
= 100
GAIN
2
A
V
= 10
R
2
5 kΩ
GAIN
3
A
V
= 20
GAIN
4
A
V
= 100
R
3
4 kΩ
R
4
1 kΩ
DG441 or DG442
V-
GND
- 15 V
Figure 9. Precision-Weighted Resistor Programmable-Gain Amplifier
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
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
http://www.vishay.com/ppg?70053.
www.vishay.com
8
Document Number: 70053
S-71241–Rev. I, 25-Jun-07
VISHAY [ VISHAY TELEFUNKEN ]
