lt1002amj Linear Technology Corporation, lt1002amj Datasheet - Page 12
lt1002amj
Manufacturer Part Number
lt1002amj
Description
Dual, Matched Precision Operational Amplifier
Manufacturer
Linear Technology Corporation
Datasheet
1.LT1002AMJ.pdf
(16 pages)
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APPLICATIONS
LT1002
12
This application utilizes the guaranteed 10mA load driving
capability of the LT1002. The offset voltage of amplifier A
is the offset of the configuration. Amplifier B provides the
additional 10mA load current. When load resistor R
U
INFORMATION
U
INPUTS
* TRIM FOR COMMON-MODE REJECTION
† TRIM FOR GAIN
GAIN =
–
+
100k*
R1
R4
R3
W
1 +
Precision Amplifier Drives 500 Load to 10V
1
2
R2
R1
Two Op Amp Instrumentation Amplifier
–
+
+
LT1002
100
100
R3
R4
1/2
R
R
10k
R2
S
S
U
+
INPUT
R2 + R3
2.2k †
R5
R5
L
–
1/2 LT1002
–
1/2 LT1002
+
+
1.1R
is
100
–15V
–15V
15V
15V
B
A
110k
f
10k
+ 0.1R
R3
removed, amplifier A sinks this current without affecting
accuracy. In the gain of 1000 configuration shown, ap-
proximately 0.3% gain accuracy can be realized.
100k
R
S
f
–
+
LT1002
0.2R
100
R
500
1/2
100k
L
R4
L
OUTPUT
1002 TA11
OUTPUT
1002 TA10
1002fb