LM139N STMicroelectronics, LM139N Datasheet - Page 9

• Manufacturer Part Number: LM139N
• Description: IC COMPARATOR QUAD LP 14-DIP
• Manufacturer: STMicroelectronics
• Type: General Purposer

Specifications of LM139N

• Number Of Elements: 4
• Output Type: CMOS, DTL, ECL, MOS, Open-Collector, TTL
• Voltage - Supply: 2 V ~ 36 V, ±1 V ~ 18 V
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6988-5

LM139, LM239, LM339
Figure 17. Limit comparator
Figure 19. Zero crossing detector
e
I
V
V
high
low
(ref)
(ref)
e
~
I
~
2R
2R
R
S
S
S
LM139
1/4
15 V
15 V
LM139
LM139
1/ 4
1/ 4
10 kΩ
V
CC
(12 V)
2N 2222
5.1 kΩ
Lamp
e
o
Doc ID 2159 Rev 2
Figure 18. Crystal-controlled oscillator
Figure 20. Comparator with a negative
e
I
0.1 μF
~
reference
200 kΩ
200 kΩ
5 V
V
LM139
CC
f = 100 kHz
100 kΩ
1/ 4
LM139
= 15 V
1/ 4
15 V
15 V
2 kΩ
Typical applications
e
o
V
CC
0
5.1 kΩ
e
o
9/16