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參數(shù)資料
| 型號(hào)： | INA131BP |
| 元件分類： | 測量放大器 |
| 英文描述： | Very High Accuracy Instrumentation Amplifier |
| 中文描述： | 極高精度儀表放大器 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大小： | 113K |
| 代理商： | INA131BP |
INA131
9
INA131
V
IN
V
IN
–
+
OPA602
1M
1M
Ref
V
O
Common-mode resistors have
approximately 0.1% effect
on gain.
100
Shield is driven at the
common-mode potential.
FIGURE 4. Shield Driver Circuit.
INA131
Ref
V
O
100μA
V+
V+
R
Z
RTD
1
2
3
Equal line resistance here creates
a small common-mode voltage
which is rejected by INA131.
Resistance in this line causes
a small common-mode voltage
which is rejected by INA131.
V
O
= 0V at R
RTD
= R
Z
REF200
FIGURE 5. RTD Temperature Measurement Circuit.
FIGURE 6. Thermocouple Amplifier with Cold Junction Compensation.
SEEBECK
COEFFICIENT
(
μ
V/
°
C)
ISA
TYPE
R
R
MATERIAL
(R
3
= 100
)
(R
5
+ R
6
= 100
)
E
Chromel
Constantan
58.5
3.48k
56.2k
J
Iron
50.2
4.12k
64.9k
Constantan
K
Chromel
Alumel
39.4
5.23k
80.6k
T
Copper
Constantan
38.0
5.49k
84.5k
NOTES: (1) –2.1mV/
°
C at 200
μ
A. (2) R
7
provides down-scale burn-out indication.
REF102
R
80.6k
4
R
1M
7
R
5.23k
2
R
27k
1
R
100
3
1N4148
Cu
Cu
R
50
5
R
100
Zero Adj
6
V+
K
6
10.0V
4
(2)
2
INA131
V
O
Ref
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| INA132 | Low Power, Single-Supply DIFFERENCE AMPLIFIER |
| INA132P | Low Power, Single-Supply DIFFERENCE AMPLIFIER |
| INA132PA | Low Power, Single-Supply DIFFERENCE AMPLIFIER |
| INA132U | Low Power, Single-Supply DIFFERENCE AMPLIFIER |
| INA132UA | Low Power, Single-Supply DIFFERENCE AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| INA131BPG4 | 功能描述:儀表放大器 Precision G = 100 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 |
| INA132 | 制造商:BB 制造商全稱:BB 功能描述:Low Power, Single-Supply DIFFERENCE AMPLIFIER |
| INA132-2K5E4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low Power, Single-Supply DIFFERENCE AMPLIFIER |
| INA132P | 制造商:BB 制造商全稱:BB 功能描述:Low Power, Single-Supply DIFFERENCE AMPLIFIER |
| INA132PA | 制造商:BB 制造商全稱:BB 功能描述:Low Power, Single-Supply DIFFERENCE AMPLIFIER |
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