LM339 STMicroelectronics, LM339 Datasheet - Page 9

• Manufacturer Part Number: LM339
• Description: Low power quad voltage comparator
• Manufacturer: STMicroelectronics

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)

LM139, LM239, LM339
Figure 14. Time delay generator
Figure 17. Two-decade high-frequency VCO
Figure 15. Low frequency op amp with offset
e
l
~
R
S
adjust
R
2
Offset adjust
R
1
V
V
C1
Input gating signal
CC
V
V
V
0
3
2
1
t t
0 1
Frequency control
1 MΩ
voltage input
V
Vcontrol
CC
t
0
2
5 V
t
t
1 kΩ
o
3
100 kΩ
t
A
t
1 MΩ
4
LM139
100 kΩ
50 kΩ
1/ 4
100 kΩ
R1
15 kΩ
V
0.5 μ F
(ref.)
t
+250 mV
700 Hz
V
CC
10 kΩ
20 kΩ
= + 30 V
0.1 μF
f
o
V control
2N 2222
5 V
100 kHz
Doc ID 2159 Rev 3
10 kΩ
e
o
20 kΩ
LM139
1/4
+50 V
LM139
1/ 4
15 kΩ
500 pF
0.001 μ F
V
51 kΩ
51 kΩ
51 kΩ
C1
Figure 16. Zero crossing detector (single
V
LM139
1
1/ 4
V
CC
V
V
V
3 kΩ
200 kΩ
3
2
C C
0.01 μF
5.1 kΩ
V
= +15 V
e
10 kΩ
10 kΩ
CC
10 kΩ
l
/2
V
CC
/2
5.1 kΩ
100 kΩ
LM139
1/ 4
power supply)
LM139
LM139
LM139
1/4
1/4
1/4
10 MΩ
10 MΩ
10 MΩ
V
1N4148
CC
5.1 kΩ
100 kΩ
3 kΩ
3 kΩ
3k Ω
3 kΩ
Output 2
Output 1
V
V
V
O1
O2
10 kΩ
03
V
V
V
CC
CC
CC
t
t
o
t
o
0
t
1
Typical applications
t
100 kΩ
2
t
3
LM139
20 MΩ
1/ 4
5 V
5.1 kΩ
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