DG441L VISHAY [Vishay Siliconix], DG441L Datasheet - Page 9

• Manufacturer Part Number: DG441L
• Description: Precision Monolithic Quad SPST Low-Voltage CMOS Analog Switches
• Manufacturer: VISHAY [Vishay Siliconix]

Document Number: 71399
S-03294—Rev. D, 17-Mar-03
APPLICATIONS
+12 V
IN
0 = Load Off
1 = Load On
FIGURE 7. Power MOSFET Driver
GAIN
A
GAIN
A
GAIN
A
GAIN
A
V
DG442L
V
V
V
GND
= 100
= 1
= 10
= 20
4
1
2
3
V
IN
+12 V
V+
V -
FIGURE 9. Precision-Weighted Resistor Programmable-Gain Amplifier
DG441L or DG442L
150 W
10 kW
V+
V -
) V
+12 V
+
-
+12 V
GND
VN0300L, M
+24 V
R
I = 3A
L
R
90 kW
R
5 kW
R
4 kW
R
1 kW
1
2
3
4
V
IN
IN
Gain error is determined only by the resistor
tolerance. Op amp offset and CMRR will limit ac-
curacy of circuit.
With SW
V
+
V
-
OUT
IN
4
FIGURE 8. Open Loop Sample-and-Hold
=
V
Closed
OUT
S
R
1
1/4 DG442L
+ R
2
R
+ R
4
+12 V
0 V
3
D
+ R
Vishay Siliconix
4
DG441L/442L
H = Sample
L = Hold
= 100
C
H
+
-
www.vishay.com
V
OUT
9