參數(shù)資料
型號(hào): INA145
元件分類(lèi): 差分放大器
英文描述: Programmable Gain DIFFERENCE AMPLIFIER
中文描述: 可編程增益差分放大器
文件頁(yè)數(shù): 11/11頁(yè)
文件大?。?/td> 127K
代理商: INA145
11
INA145
FIGURE 7. Current Monitor, G = 1.
FIGURE 8. Comparator Output with Optional Hysteresis Application to Sense Lamp Burn-Out.
FIGURE 9. AC Coupling (DC Restoration).
FIGURE 10. Precision Current Source.
V
O
V
O1
1
8
6
R
G1
11k
R
C
10
R
S
10
R
G2
100k
INA145
5
2
Power
Supply
Load
3
For sense resistors (R
)
greater than 5
, use
series
compensation
resistor (R
) for good
common-mode rejection.
Sense resistors greater
than
200
recommended.
are
not
G = 10
V
O
1V – 50mV
+5V
1
4
8
6
8.4k
INA145
5
7
Feedback
2
3
10M
8k
10k
1V
2k
Lamp
24V
SHUNT
R-I Lamp/10
e.g., 0.1
for 1A
V
O
1
8
6
R
G1
11k
R
G2
100k
R
1
1M
INA145
OPA277
5
2
3
C
1
0.1
μ
F
V
IN
V
IN
+
Pole at
π
R
1
R
C
f = 2
V
O
I
OUT
= (V
IN
– V
IN
)/10k
1
8
6
R
G2
10k
10k
INA145
5
2
3
V
IN
+
V
IN
+
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