參數(shù)資料
型號(hào): INA118
元件分類: 測(cè)量放大器
英文描述: Precision, Low Power INSTRUMENTATION AMPLIFIER
中文描述: 精密低功耗儀表放大器
文件頁(yè)數(shù): 11/11頁(yè)
文件大小: 242K
代理商: INA118
11
INA118
FIGURE 9. ECG Amplifier With Right-Leg Drive.
FIGURE 8. Differential Voltage to Current Converter.
A
1
I
B
Error
±
1.5nA
±
1pA
±
75fA
OPA177
OPA602
OPA128
FIGURE 5. Single-Supply Bridge Amplifier.
FIGURE 6. AC-Coupled Instrumentation Amplifier.
SEEBECK
COEFFICIENT
(
μ
V/
°
C)
ISA
TYPE
MATERIAL
R
1
, R
2
66.5k
E
+ Chromel
– Constantan
+ Iron
– Constantan
+ Chromel
– Alumel
+ Copper
– Constantan
58.5
J
50.2
76.8k
K
39.4
97.6k
T
38.0
102k
FIGURE 7. Thermocouple Amplifier With Cold Junction
Compensation.
300
+3V
150
R
1 (1)
2V –
V
2V +
V
NOTE: (1) R
required to create proper common-mode voltage,
only for low voltage operation — see text.
3V
R
G
INA118
V
O
Ref
INA118
R
G
V
O
C
0.1μF
OPA602
Ref
R
1
1M
f
–3dB
=
1
2
π
R
1
C
1
= 1.59Hz
V
IN
+
REF102
R
2
R
1
R
3
100
= RTD at 0°C
Pt100
Cu
Cu
V+
K
6
10.0V
4
2
INA118
V
O
Ref
R
G
INA118
R
G
I
B
R
1
V
IN
+
A
1
I
O
Load
I
O
= R
1
V
IN
Ref
INA118
R
G
/2
V
O
LA
RL
RA
10k
Ref
G = 10
2.8k
2.8k
1/2
OPA2604
390k
390k
1/2
OPA2604
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