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參數(shù)資料
| 型號： | ISO124 |
| 元件分類： | 隔離放大器 |
| 英文描述： | Precision Lowest Cost ISOLATION AMPLIFIER |
| 中文描述： | 成本最低的精密隔離放大器 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大小： | 252K |
| 代理商： | ISO124 |
9
ISO124
FIGURE 6. Thermocouple Amplifier with Ground Loop Elimination, Cold Junction Compensation, and Up-scale Burn-out.
FIGURE 7. Isolated 4-20mA Instrument Loop. (RTD shown.)
R
CM
1k
RCV420
XTR105
R
G
R
Z(1)
13
3
4
2
6
7
10
14
1
0.01μF
4-20mA
RTD
(PT100)
0.8mA
0.8mA
1.6mA
14
15
16
3
2
10
4
12
11
5, 13
15
16
2
1
Gnd
–V
= –15V
on PWS740
+V
S
= 15V on PWS740
9
10
7
8
–V
+V
ISO124
V
OUT
0V - 5V
NOTE: (1) R
Z
= RTD resistance at minimum measured temperature.
2
6
10.0V
4
REF102
INA114
or
INA128
–In
+In
7
4
3
8
1
2
5
16
15
8
10
ISO124
7
V
OUT
9
6
+15V
+15V
–15V
+15V –15V
ISA
TYPE
E
J
K
T
MATERIAL
Chromel
Constantan
Iron
Constantan
Chromel
Alumel
Copper
Constantan
SEEBACK
COEFFICIENT
(μV/°C)
58.5
50.2
39.4
38.0
R
(R
3
= 100
)
3.48k
4.12k
5.23k
5.49k
R
(R
5
+ R
6
= 100
)
56.2k
64.9k
80.6k
84.5k
+15V –15V
R
3
100
Ground Loop Through Conduit
NOTE: (1) –2.1mV/°C at 2.00μA.
R
1
27k
Isothermal
Block with
1N4148
(1)
R
2
1M
R
5
50
R
G
R
4
R
6
100
Zero Adj
Thermocouple
2
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISO124P | Precision Lowest Cost ISOLATION AMPLIFIER |
| ISO124U | Precision Lowest Cost ISOLATION AMPLIFIER |
| ISO422P-U(1) | DIFFERENTIAL BUS TRANSCEIVER |
| ISO422 | DIFFERENTIAL BUS TRANSCEIVER |
| ISO422P | DIFFERENTIAL BUS TRANSCEIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISO124P | 功能描述:隔離放大器 Precision Low Cost Isolation Amp RoHS:否 制造商:Texas Instruments 輸入補(bǔ)償電壓:1.5 mV 共模抑制比（最小值）:95 dB 帶寬:60 KHz 工作電源電壓:3.3 V 電源電流:8 mA 工作溫度范圍:- 40 C to + 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOP-8 封裝:Tube |
| ISO124P | 制造商:Texas Instruments 功能描述:AMP ISOLATION SMD PDIP8 |
| ISO124P | 制造商:Texas Instruments 功能描述:IC AMP ISOLATION SMD PDIP8 124 |
| ISO124U | 功能描述:隔離放大器 Precision Low Cost Isolation Amp RoHS:否 制造商:Texas Instruments 輸入補(bǔ)償電壓:1.5 mV 共模抑制比（最小值）:95 dB 帶寬:60 KHz 工作電源電壓:3.3 V 電源電流:8 mA 工作溫度范圍:- 40 C to + 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOP-8 封裝:Tube |
| ISO124U | 制造商:Texas Instruments 功能描述:IC AMP ISOLATION SMD SOIC8 124 |
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