LM139AD STMicroelectronics, LM139AD Datasheet - Page 9

• Manufacturer Part Number: LM139AD
• Description: Comparator ICs Lo Pwr Quad Vltg Comparator
• Manufacturer: STMicroelectronics

Specifications of LM139AD

• Number Of Channels: 4 Channels
• Product: Analog Comparators
• Output Type: Open Collector
• Response Time: 1.3 us
• Offset Voltage (max): 2 mV
• Input Bias Current (max): 0.1 uA
• Supply Voltage (max): 32 V
• Supply Voltage (min): 2 V
• Supply Current (max): 2 mA
• Maximum Power Dissipation: 830 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-14
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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