Typical applications
LM139, LM239, LM339
5
Figure 8.
Typical applications
Basic comparator
V
CC
= 5 V
Figure 9.
Driving CMOS
5V
15 kΩ
+V
(ref)
1/4
LM139
100 kΩ
+V
(ref)
1/ 4
LM139
&
V
O
-V
(ref)
-V
(ref)
Figure 10. Driving TTL
5V
Figure 11. Low frequency op amp
5V
15 kΩ
10 kΩ
+V
(ref)
1/ 4
LM139
&
~
1/4
LM139
e
l
100 kΩ
e
o
0.5
μF
-V
(ref)
&
1 kΩ
A
V
= 100
Figure 12. Low frequency op amp
5V
(e
o
= 0 V for e
l
= 0 V)
15 kΩ
1/ 4
LM139
~
Figure 13. Transducer amplifier
5V
Magnetic pick-up
10 kΩ
3
kΩ
2N 2222
0.5
μF
e
l
1/ 4
LM139
e
o
20 MΩ
100 k
Ω
1 kΩ
A
V
= 100
e
o
10 kΩ
8/19
Doc ID 2159 Rev 3