參數(shù)資料
型號(hào): ISO122JP
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): 9/15頁
文件大?。?/td> 188K
代理商: ISO122JP
9
ISO122
10.0V
Thermocouple
REF
102
27k
R
1
R
4
+In
–In
–15V
2
14
13
1
R
G
12
10
11
3
5
4
R
5
50
R
3
100
R
2
Isothermal
Block with
1N4148
(1)
Ground Loop Through Conduit
100
Zero Adj
R
6
+15V
+15V –15V
+15V –15V
1
2
9
8
16
15
10
7
V
OUT
ISO122P
FIGURE 6. Thermocouple Amplifier with Ground Loop Elimination, Cold Junction Compensation, and Up-scale Burn-out.
SEEBACK
COEFFICIENT
(
μ
V/
°
C)
ISA
TYPE
R
R
MATERIAL
(R
3
= 100
)
(R
5
+ R
6
= 100
)
Chromel
Constantan
Iron
Constantan
Chromel
Alumel
Copper
Constantan
E
58.5
3.48k
56.2k
J
50.2
4.12k
64.9k
K
39.4
5.23k
80.6k
T
38.0
5.49k
84.5k
NOTE: (1) –2.1mV/
°
C at 2.00
μ
A.
1M
INA101
2
6
4
+15V
0
μ
F
6
5
RTD
(PT100)
1mA
1mA
2mA
R
2
= 2.5k
–V
0V-5V
+V
Gnd
–V
S
= –15V
on PWS740
4-20mA
ISO122P
3
2
14
9
8
2
11
8
7
4
3
V
OUT
10
7
12
4
10
XTR101
+V
=15V
on PWS740
R
1
= 100
10
11
5, 13
15
16
15
16
1
FIGURE 7. Isolated 4-20mA Instrument Loop. (RTD shown.)
R
S
RCV420
相關(guān)PDF資料
PDF描述
ISO122JU Precision Lowest Cost ISOLATION AMPLIFIER
ISO122P Precision Lowest Cost ISOLATION AMPLIFIER
ISO122U Precision Lowest Cost ISOLATION AMPLIFIER
ISO124 Precision Lowest Cost ISOLATION AMPLIFIER
ISO124P Precision Lowest Cost ISOLATION AMPLIFIER
相關(guān)代理商/技術(shù)參數(shù)
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