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參數(shù)資料
| 型號(hào)： | INA101AG |
| 元件分類： | 測量放大器 |
| 英文描述： | Precision Gain of 5 Instrumentation Amplifier |
| 中文描述： | 5精密增益儀表放大器 |
| 文件頁數(shù)： | 6/6頁 |
| 文件大?。?/td> | 91K |
| 代理商： | INA101AG |
INA101
6
A
1
A
2
A
3
14
10k
10k
10k
10k
2
12
11
4
5
3
R
G
+15V
INA101
Common
V
O
= G (E
1
– E
2
) +V
COM
20k
20k
–15V
13
DIP PACKAGE
A
1
Output
A
2
Output
10
OPA177
1k
1M
+15V
–15V
Approximately
±15mV Range
Pinout shown
is for DIP packages.
E
1
E
2
G = 1 +4R
G
Input Offset Adjustment
Do not use to null source or system
offset (see text).
100k
+15V
Output Offset
Adjustment
1
V
COM
100k
6
7
OFFSET TRIMMING
The INA101 is laser trimmed for low offset voltage and
drift. Most applications require no external offset adjust-
ment. Figure 2 shows connection of an optional potentio-
meter connected to the Offset Adjust pins for trimming the
input offset voltage. (Pin numbers shown are for the DIP
package.) Use this adjustment to null the offset voltage in
high gain (G
≥
100) with both inputs connected to ground.
Do not use this adjustment to null offset produced by the
source or other system offset since this will increase the
offset voltage drift by 0.3
μ
V/
°
C per 100
μ
V of adjusted
offset.
Offset of the output amplifier usually dominates when the
INA101 is used in unity gain (G = 1). The output offset
voltage can be adjusted with the optional trim circuit con-
nected to the Common pin as shown in Figure 2. The voltage
applied to Common terminal is summed with the output.
Low impedance must be maintained at this node to assure
good common-mode rejection. The op amp connected as a
buffer provides low impedance.
THERMAL EFFECTS ON OFFSET VOLTAGE
To achieve lowest offset voltage and drift, prevent air
currents from circulating near the INA101. Rapid changes in
temperature will produce a thermocouple effect on the
package leads that will degrade offset voltage and drift. A
shield or cover that prevents air currents from flowing near
the INA101 will assure best performance.
FIGURE 2. Optional Trimming of Input and Output Offset Voltage.
A
1
A
2
A
3
8
7
10k
10k
10k
10k
2
9
5
4
1
10
R
G
No
Connection
+15V
INA101
Output
20k
20k
3
–15V
6
TO-100 PACKAGE
E
1
V
O
= G (E
1
– E
2
)
Tantalum
1μF
+
Tantalum
1μF
+
E
2
G = 1 +4R
G
FIGURE 1. Basic Connections.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| INA101AM | Precision Gain of 5 Instrumentation Amplifier |
| INA101CG | Precision Gain of 5 Instrumentation Amplifier |
| INA101CM | Precision Gain of 5 Instrumentation Amplifier |
| INA101 | Precision Gain of 5 Instrumentation Amplifier |
| INA101HP | Precision Gain of 5 Instrumentation Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| INA101AG | 制造商:Texas Instruments 功能描述:Instrumentation Amplifier IC 制造商:Texas Instruments 功能描述:IC, INSTRUMENT AMP, 300KHZ, 110DB DIP-14 |
| INA101AM | 功能描述:儀表放大器 Very High Accuracy Instrumentation Amp 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 |
| INA101AM | 制造商:Texas Instruments 功能描述:Instrumentation Amplifier IC |
| INA101CG | 制造商:BB 制造商全稱:BB 功能描述:High Accuracy INSTRUMENTATION AMPLIFIER |
| INA101CM | 功能描述:儀表放大器 Very High Accuracy Instrumentation Amp 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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