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LM2903D Datasheet(PDF) 8 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) 8 Page - STMicroelectronics

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Typical application schematics
LM2903
8/21
DocID2470 Rev 14
5
Typical application schematics
Figure 8. Basic comparator
Figure 9. Driving CMOS
V
CC
= 5 V
15 k
Ω
V
O
+V
(ref)
1/2
LM2903
-V
(ref)
5 V
100 k
Ω
&
1/ 2
LM2903
+V
(ref)
-V
(ref)
Figure 10. Driving TTL
Figure 11. Low frequency op-amp
5 V
10 k
Ω
+V
(ref)
&
&
1/ 2
LM2903
-V
(ref)
5 V
15 k
Ω
e
o
0.5
μF
100 k
Ω
e
l
1 k
Ω
~
1/2
LM2903
A
V = 100
Figure 12. Low frequency op-amp with boost
Figure 13. Transducer amplifier
5 V
15 k
Ω
0.5
μF
100 k
Ω
1 k
Ω
~
2N 2222
(e
o = 0 V for el = 0 V)
1/ 2
LM2903
e
o
e
l
A
V = 100
5 V
10 k
Ω
e
o
20 M
Ω
3 k
Ω
Magnetic pick-up
10 k
Ω
1/ 2
LM2903



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