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參數(shù)資料
| 型號： | LT1002M |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual, Matched Precision Operational Amplifier |
| 中文描述： | 雙路，精密運算放大器匹配 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大小： | 344K |
| 代理商： | LT1002M |
12
LT1002
Two Op Amp Instrumentation Amplifier
+
–
1002 TA10
R3
10k
100k*
R1
10k
R2
100k
R4
–
+
OUTPUT
* TRIM FOR COMMON-MODE REJECTION
+ TRIM FOR GAIN
Gain = R3
≈
100
INPUTS
1
/
2
LT1002
–
+
1
/
2
LT1002
2.2k+
R5
R2 + R3
R5
R3
R4
R2
R1
1
2
(
)
Precision Amplifier Drives 500
Load to
±
10V
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
L
is
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.
+15
–15V
+15V
–15V
1002 TA11
100k
INPUT
OUTPUT
110k
1.1R
f
+ 0.1R
S
100
100
R
S
0.2R
L
R
f
500
R
L
100
R
S
–
+
B
1
/
2
LT1002
–
+
A
1
/
2
LT1002
APPLICATIO
S I
FOR
ATIO
U
W
U
U
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