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LM239ADT 数据表(PDF) 7 Page - STMicroelectronics

部件名 LM239ADT
功能描述  Low-power quad voltage comparators
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LM239ADT 数据表(HTML) 7 Page - STMicroelectronics

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LM139, LM239, LM339
Typical applications
Doc ID 2159 Rev 2
7/16
5
Typical applications
Figure 7.
Basic comparator
Figure 8.
Driving CMOS
V
CC
= 5 V
15 k
Ω
V
O
+V
(ref)
1/4
LM139
-V
(ref)
5 V
100 k
Ω
&
1/ 4
LM139
+V
(ref)
-V
(ref)
Figure 9.
Driving TTL
Figure 10.
Low frequency op amp
5 V
10 k
Ω
+V
(ref)
&
&
1/ 4
LM139
-V
(ref)
5 V
15 k
Ω
e
o
0.5
μF
100 k
Ω
e
l
1 k
Ω
~
1/4
LM139
A
V = 100
Figure 11.
Low frequency op amp
Figure 12.
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/ 4
LM139
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/ 4
LM139



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