DG441 Datasheet, PDF (8/9 Pages) Intersil Corporation – Monolithic, Quad SPST, CMOS Analog Switches

DG441/442
Vishay Siliconix
APPLICATIONS
+ 15 V
+ 15 V
IN
DG442 ^V+
150 Ω
+ 24 V
R_L
I=3A
VN0300 L, M
GND V-
10 kΩ
+ 15 V
0 = Load Off
1 = Load On
Figure 7. Power MOSFET Driver
V_IN
+
-
+ 15 V
1/4 DG442
S
D
C_H ⁺
-
V_OUT
IN
- 15 V
H = Sample
L = Hold
Figure 8. Open Loop Sample-and-Hold
V_IN
GAIN₁
A_V = 1
GAIN₂
A_V = 10
GAIN₃
A_V = 20
GAIN₄
A_V = 100
+
-
+ 15 V
V+
DG441 or DG442
V-
GND
V_OUT
Gain error is determined only by the resistor
tolerance. Op amp offset and CMRR will limit ac-
curacy of circuit.
R₁
90 kΩ
R₂
5 kΩ
R₃
4 kΩ
R₄
1 kΩ
With SW₄ Closed
V_{OUT =}
V_IN
R₁ + R₂ + R₃ + R₄
R₄
= 100
- 15 V
Figure 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 http://www.vishay.com/ppg?70053.
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8
Document Number: 70053
S-71241–Rev. I, 25-Jun-07