www.vishay.com
8
Document Number: 72625
S13-1284-Rev. C, 27-May-13
Vishay Siliconix
DG441B, DG442B
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
For technical questions, contact: pmostechsupport@vishay.com
APPLICATIONS
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
www.vishay.com/ppg?72625.
Figure 7. Power MOSFET Driver
+ 15 V
+ 15 V
GND V-
V+
0 = Load Off
1 = Load On
+ 24 V
I = 3A
VN0300 L, M
DG442B
+ 15 V
10 kΩ
150 Ω
R
L
IN
Figure 8. Open Loop Sample-and-Hold
H = Sample
L = Hold
- 15 V
+ 15 V
V
IN
V
OUT
C
H
SD
IN
1/4 DG442B
+
-
+
-
Figure 9. Precision-Weighted Resistor Programmable-Gain Amplifier
+ 15 V
- 15 V
V+
V- GND
DG441 or DG442
+
-
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
