LM139ADT 데이터 시트보기 (PDF) - STMicroelectronics
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LM139ADT Datasheet PDF : 19 Pages
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Typical applications
5
Typical applications
LM139, LM239, LM339
Figure 8. Basic comparator
VCC = 5 V
15 kΩ
+V(ref)
1/4
LM139
VO
-V(ref)
Figure 9. Driving CMOS
5V
+V(ref)
-V(ref)
1/ 4
LM139
100 kΩ
&
Figure 10. Driving TTL
5V
+V(ref)
-V(ref)
1/ 4
LM139
10 kΩ
&
&
Figure 12. Low frequency op amp
5V
(e = 0 V for e = 0 V)
o
l
15 kΩ
~ el
1/ 4
LM139
2N 2222
0.5 μF
100 kΩ
1 kΩ
eo
A = 100
V
Figure 11. Low frequency op amp
5V
~ el
1/4
LM139
1 kΩ
100 kΩ
AV = 100
15 kΩ
eo
0.5 μF
Figure 13. Transducer amplifier
5V
Magnetic pick-up
10 kΩ
3 kΩ
1/ 4
LM139
eo
20 MΩ
10 kΩ
8/19
Doc ID 2159 Rev 3
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