LM239ADT STMicroelectronics, LM239ADT Datasheet - Page 8
![IC COMPARATOR LP QUAD 14-SOIC](/photos/6/57/65750/497-14-soic_sml.jpg)
LM239ADT
Manufacturer Part Number
LM239ADT
Description
IC COMPARATOR LP QUAD 14-SOIC
Manufacturer
STMicroelectronics
Type
General Purposer
Datasheet
1.LM339DT.pdf
(16 pages)
Specifications of LM239ADT
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)
Comparator Type
Precision
No. Of Comparators
4
Response Time
1.3µs
Ic Output Type
CMOS, MOS, TTL, DTL, ECL
Supply Current
1.3mA
Supply Voltage Range
± 1V To ± 16V
Rohs Compliant
Yes
Output Compatibility
CMOS, DTL, ECL, MOS, TTL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1550-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM239ADT
Manufacturer:
ST
Quantity:
30 000
Part Number:
LM239ADT
Manufacturer:
ST
Quantity:
20 000
Typical applications
Figure 13. Time delay generator
Figure 16. Two-decade high-frequency VCO
8/16
Figure 14. 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
10 kΩ
e
Doc ID 2159 Rev 2
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 15. 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
LM139, LM239, LM339
t
1
t
100 kΩ
2
t
3
LM139
20 MΩ
1/ 4
5 V
5.1 kΩ