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LM2903D Datasheet(PDF) 10 Page - STMicroelectronics

Part # LM2903D
Description  Low-power dual voltage comparator
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LM2903D Datasheet(HTML) 10 Page - STMicroelectronics

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Typical application schematics
LM2903
10/21
DocID2470 Rev 14
Figure 20. Time delay generator
Figure 18. Crystal controlled oscillator
Figure 19. Comparator with a negative
reference
2 k
Ω
200 k
Ω
e
o
V
CC
0
100 k
Ω
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
VCC
0
V(ref.)
10 k
Ω
1/2
15 k
Ω
200 k
Ω
3 k
Ω
3 k
Ω
3 k
Ω
10 M
Ω
V
O2
V
03
O1
V
51 k
Ω
V1
V2
0.001
μF
V
C1
V3
VCC
V
C1
V1
V2
V3
0
0
1
t t
3
t
4
t
2
t
t
VCC
t
0
t
1
VCC
VCC
VC C =+15V
1/2
LM2903
1/2
1
/2
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
10 M
Ω
10 M
Ω
51 k
Ω
51 k
Ω
t
2
t
o
t
3
t
o
t
A
t
o
Input gating signal
LM2903
LM2903
LM2903



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