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LM224 数据表(PDF) 8 Page - STMicroelectronics

部件名 LM224
功能描述  LOW POWER QUAD OPERATIONAL AMPLIFIERS
PDF  14 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LM224 数据表(HTML) 8 Page - STMicroelectronics

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R1
10k
Ω
R2
1M
Ω
1/4
LM124
10k
Ω
eI
eO
+5V
(mV)
0
AV =1 +
R2
R1
(As shown
= 101)
AV
NON-INVERTING DC GAIN
1/4
LM124
eO
e 4
e
3
e 2
e
1
100k
Ω
100k
Ω
100k
Ω
100k
Ω
100k
Ω
100k
Ω
eo =e1 +e2 -e3 -e4
where (e1 +e2)
≥ (e3 +e4)
to keep eo
≥ 0V
DC SUMMING AMPLIFIER
TYPICAL SINGLE - SUPPLY APPLICATIONS
1/4
LM124
R3
100k
Ω
e
O
1/4
LM124
R1
100k
Ω
e
1
1/4
LM124
R7
100k
Ω
R6
100k
Ω
R5
100k
Ω
e
2
R2
2k
Ω
Gain adjust
R4
100k
Ω
if R1 =R5 and R3 =R4 =R6 =R7
eo
= [1+
2R1
R2
]
(e2 − e1)
As shown eo = 101 (e2 -e1).
HIGH INPUT Z ADJUSTABLE GAIN DC
INSTRUMENTATION AMPLIFIER
1/4
LM124
1/4
LM124
I B
2N 929
0.001
µF
I B
3R
3M
Ω
I B
Input current
compensation
e o
I B
e
I
1/4
LM124
Zo
Z
I
C
1
µF
2I
B
R
1M
Ω
2I
B
* Polycarbonate or polyethylene
*
LOW DRIFT PEAK DETECTOR
LM124 - LM224 - LM324
8/14



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