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LM2903WHYST Fiches technique(PDF) 8 Page - STMicroelectronics

No de pièce LM2903WHYST
Description  Low-power, dual-voltage comparator
PDF  14 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LM2903WHYST Fiches technique(HTML) 8 Page - STMicroelectronics

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Typical application schematics
LM2903WH
8/14
DocID028311 Rev 1
Figure 13: Low-frequency op amp with offset adjust
Figure 14: Zero crossing detector (single power supply)
Figure 15: Limit comparator
Figure 16: Split-supply applications - zero crossing
detector
Figure 17: Crystal controlled oscillator
Figure 18: Comparator with a negative reference
100 kΩ
10
kΩ
e
l
20 M
Ω
5 V
1N4148
5.1 k
Ω
5.1 k
Ω
100 kΩ
1/ 2
LM2903
5.1 k
Ω
10
kΩ
e
I
~
R
S
2R
S
V
(ref)
high
V
(ref)
low
2N 2222
V
CC
Lamp
1/ 2
LM2903
1/2
LM2903
2R
S
(12 V)
15 V
5.1 k
Ω
e
o
e
I
~
15 V
1/ 2
L M 2 9 0 3
2 k
Ω
200 k
Ω
e
o
V
CC
0
100 kΩ
200 k
Ω
1/2
LM2903
0.1 µF
f = 100 kHz
V
CC
= 15 V
15 V
5.1 k
Ω
e
o
e
I
~
15 V
5 V
1/2
LM2903



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