參數(shù)資料
型號(hào): INA111AP
元件分類: 測(cè)量放大器
英文描述: Very High Accuracy Instrumentation Amplifier
中文描述: 極高精度儀表放大器
文件頁(yè)數(shù): 11/11頁(yè)
文件大?。?/td> 245K
代理商: INA111AP
INA111
11
FIGURE 12. Voltage Controlled Current Source.
FIGURE 11. AC-Coupled Instrumentation Amplifier.
FIGURE 13. Shield Driver Circuit.
FIGURE 14. Multiplexed-Input Data Acquisition System.
INA111
R
G
V
O
C
0.1μF
OPA602
Ref
R
1
1M
f
–3dB
=
1
2
π
R
1
C
1
= 1.59Hz
V
IN
+
INA111
V
IN
+
V
IN
+
Channel 8
Channel 1
MPC800
MUX
ADS574
+5V
12 Bits
Out
R
G
Ref
INA111
OPA177
C
1
50nF
R
G
R
2
G
Make G
10 where G = 1 +R
Load
V
IN
G
R
2
I
L
=
R
1
10k
V
IN
Ref
INA111
V
IN
V
IN
+
OPA602
511
22.1k
22.1k
Ref
V
O
For G = 100
R
= 511
// 2(22.1k
)
effective R
G
= 505
100
NOTE: Driving the shield minimizes CMR degradation
due to unequally distributed capacitance on the input
line. The shield is driven at approximately 1V below
the common-mode input voltage.
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