LM339 STMicroelectronics, LM339 Datasheet - Page 8
LM339
Manufacturer Part Number
LM339
Description
Low power quad voltage comparator
Manufacturer
STMicroelectronics
Datasheet
1.LM339.pdf
(19 pages)
Specifications of LM339
Wide Single Supply Voltage Range Or Dual Supplies For All Devices
+2 to +36 V or ±1 V to ±18 V
Low Input Bias Current
25 nA typ
Low Input Offset Current
±5 nA typ
Low Input Offset Voltage
±1 mV typ
Low Output Saturation Voltage
250 mV typ;(ISINK = 4 mA)
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Typical applications
5
8/19
Figure 8.
Figure 10. Driving TTL
Figure 12. Low frequency op amp
+V
-V
+V
-V
(ref)
(ref)
(ref)
(ref)
(e
~
o
Typical applications
= 0 V for e
Basic comparator
1 kΩ
e
l
LM139
1/ 4
LM139
l
LM139
1/ 4
= 0 V)
100 k
1/4
A
V
Ω
= 100
15 kΩ
5 V
15 kΩ
0.5 μF
V
5 V
CC
10 kΩ
= 5 V
2N 2222
&
&
e
V
o
O
Doc ID 2159 Rev 3
Figure 9.
Figure 11. Low frequency op amp
Figure 13. Transducer amplifier
+V
-V
(ref)
(ref)
Magnetic pick-up
Driving CMOS
~
1 kΩ
e
l
LM139
1/ 4
10 kΩ
LM139
1/4
A
100 kΩ
V
10 kΩ
= 100
LM139
LM139, LM239, LM339
5 V
1/ 4
20 MΩ
5 V
100 kΩ
5 V
3 kΩ
15 kΩ
0.5 μF
e
o
&
e
o