LM239DT STMicroelectronics, LM239DT Datasheet - Page 8

• Manufacturer Part Number: LM239DT
• Description: IC COMPARATOR QUAD LP 14-SOIC
• Manufacturer: STMicroelectronics
• Type: General Purposer

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

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