LM139DT STMicroelectronics, LM139DT Datasheet - Page 7

• Manufacturer Part Number: LM139DT
• Description: IC COMPARATOR QUAD LP SO-14
• Manufacturer: STMicroelectronics
• Type: General Purposer

Specifications of LM139DT

• 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: Surface Mount
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6987-2

LM139, LM239, LM339
5
Figure 7.
Figure 9.
Figure 11. Low frequency op amp
+V
-V
+V
-V
(ref)
(ref)
(ref)
(ref)
(e
~
o
Typical applications
= 0 V for e
Basic comparator
Driving TTL
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 2
Figure 8.
Figure 10. Low frequency op amp
Figure 12. 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
5 V
1/ 4
20 MΩ
5 V
Typical applications
100 kΩ
5 V
3 kΩ
15 kΩ
0.5 μF
e
o
&
e
o
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