LM239DT STMicroelectronics, LM239DT Datasheet - Page 9
![IC COMPARATOR QUAD LP 14-SOIC](/photos/6/57/65750/497-14-soic_sml.jpg)
LM239DT
Manufacturer Part Number
LM239DT
Description
IC COMPARATOR QUAD LP 14-SOIC
Manufacturer
STMicroelectronics
Type
General Purposer
Datasheet
1.LM339DT.pdf
(16 pages)
Specifications of LM239DT
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)
Number Of Channels
4 Channels
Response Time
1.3 us
Offset Voltage (max)
5 mV
Input Bias Current (max)
250 nA
Supply Voltage (max)
36 V
Supply Voltage (min)
2 V
Supply Current (max)
2 mA
Maximum Power Dissipation
830 mW
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2973-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM239DT
Manufacturer:
STMicroelectronics
Quantity:
36 032
Company:
Part Number:
LM239DT
Manufacturer:
CLARE
Quantity:
1 575
Part Number:
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Manufacturer:
STM
Quantity:
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Part Number:
LM239DTBR2G
Manufacturer:
ON/安森美
Quantity:
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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