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參數(shù)資料
| 型號(hào)： | INA110BG |
| 元件分類(lèi)： | 測(cè)量放大器 |
| 英文描述： | Fast-Settling FET-Input INSTRUMENTATION AMPLIFIER |
| 中文描述： | 快速建立FET輸入儀表放大器 |
| 文件頁(yè)數(shù)： | 9/11頁(yè) |
| 文件大?。?/td> | 148K |
| 代理商： | INA110BG |
INA110
9
negative input exceeds that in the positive input, stray
capacitance from the output will create a net negative feed-
back and improve the circuit stability. If the impedance in
the positive input is greater, the feedback due to stray
capacitance will be positive and instability may result. The
degree of positive feedback depends upon source impedance
imbalance, operating gain, and board layout. The addition of
a small bypass capacitor of 5pF to 50pF directly between the
inputs of the IA will generally eliminate any positive feed-
back. CMR errors due to the input impedance mismatch will
also be reduced by the capacitor.
The INA110 is designed for fast settling with easy gain
selection. It has especially excellent settling in high gain. It
can also be used in fast-settling unity-gain applications. As
with all such amplifiers, the INA110 does exhibit significant
gain peaking when set to a gain of 1. It is, however,
unconditionally stable. The gain peaking can be cancelled
by band-limiting the negative input to 400kHz with a simple
external RC circuit for applications requiring flat response.
CMR is not affected by the addition of the 400kHz RC in a
gain of 1.
Another distinct advantage of the INA110 is the high fre-
quency CMR response. High frequency noise and sharp
common-mode transients will be rejected. To preserve AC
CMR, be sure to minimize stray capacitance on the input
lines. Matching the RCs in the two inputs will help to
maintain high AC CMR.
APPLICATIONS
In addition to general purpose uses, the INA110 is designed
to accurately handle two important and demanding applica-
tions: (1) inputs with high source impedances such as
capacitance/crystal/photodetector sensors and low-pass
filters and series-input protection devices, and (2) rapid-
scanning data acquisition systems requiring fast settling
time. Because the user has access to the output sense, current
sources can also be constructed using a minimum of external
components. Figures 6 through 19 show application circuits.
FIGURE 6. Transformer-Coupled Amplifier.
FIGURE 7. Floating Source Instrumentation Amplifier.
FIGURE 8. Instrumentation Amplifier with Shield Driver.
X
100
3
12
1
2
6
10
INA110
9
V
OUT
1M
Thermocouple
Transducer or
Other Floating
Source
7
8
+15V
–15V
X200
3
16
1
2
6
10
INA110
9
V
OUT
100
–15V
7
8
+15V
OPA121
V
IN
Divider minimizes degredation of CMR due to
distributed capacitance on the input lines.
3
16
1
2
6
10
INA110
9
V
OUT
–15V
7
8
+15V
X200
Transducer
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| INA110KP | Fast-Settling FET-Input INSTRUMENTATION AMPLIFIER |
| INA110SG | Fast-Settling FET-Input INSTRUMENTATION AMPLIFIER |
| INA110KU | Fast-Settling FET-Input INSTRUMENTATION AMPLIFIER |
| INA111 | Very High Accuracy Instrumentation Amplifier |
| INA111AP | Very High Accuracy Instrumentation Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| INA110BG-BI | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Instrumentation Amp， Fixed Gain |
| INA110KP | 功能描述:儀表放大器 Fast-Settling FET-In Very High Accuracy RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補(bǔ)償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk |
| INA110KP | 制造商:BURR-BROWN 功能描述:IC AMP INSTRUMENTATION DIP16 110 |
| INA110KP | 制造商:Texas Instruments 功能描述:Instrumentation Amplifier IC |
| INA110KPG4 | 功能描述:儀表放大器 Fast-Settling FET-In Very High Accuracy RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補(bǔ)償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk |
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