LM124 Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
Список матч
LM124 Datasheet PDF : 14 Pages
| |||
LM124 - LM224 - LM324
TYPICAL SINGLE - SUPPLY APPLICATIONS
NON-INVERTING DC GAIN
DC SUMMING AMPLIFIER
e 1 100kΩ
10k Ω
1/4
LM124
AV = 1 +
R2
R1
(As shown AV = 101)
eO +5V
R1
10kΩ
R2
1MΩ
0
eI (mV)
HIGH INPUT Z ADJUSTABLE GAIN DC
INSTRUMENTATION AMPLIFIER
R1
100kΩ
e1
R2
2k Ω
1/4
LM124
Gain adjust
R5
100kΩ
R3
100kΩ
R4
100kΩ
1/4
eO
LM124
if R1 = R5 and R3 = R4 = R6 =R6R7
eo
eA2 s
=
[
1+
2R1
R2
shown eo
1/4
] (LeM21−24e1)
= 101 (e2
-
100kΩ
e1).
R7
100kΩ
100kΩ 1/4
eO
LM124
e 2 100kΩ
e 3 100kΩ
100kΩ
e 4 100kΩ
eo = e1 + e2 - e3 - e4
where (e1 + e2) ≥ (e3 + e4)
to keep eo ≥ 0V
LOW DRIFT PEAK DETECTOR
IB
1/4
1/4
I B LM124
eo
LM124
C
eI
1µF *
2IB
Zo
ZI
2N 929 0.001µF
2 IB
R
1MΩ
* Polycarbonate or polyethylene
IB
3R
3MΩ
IB
1/4
LM124
Input current
compensation
8/14
Share Link: 