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LM339 Fiches technique(PDF) 7 Page - STMicroelectronics

No de pièce LM339
Description  LOWPOWER QUAD VOLTAGE COMPARATORS
PDF  10 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LM339 Fiches technique(HTML) 7 Page - STMicroelectronics

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LM139,A-LM239,A-LM339,A
7/10
TYPICAL SINGLE (continued)
TWO-DECADE HIGH-FREQUENCY VCO
LIMIT COMPARATOR
SPLIT-SUPPLY APPLICATIONS
ZERO CROSSING DETECTOR
CRYSTAL CONTROLLED OSCILLATOR
COMPARATOR WITH A NEGATIVE
REFERENCE
VCC
Output 1
Output 2
VCC
100k
Ω
3k
Ω
5.1k
Ω
VCC /2
VCC /2
0.01
µ F
500pF
100k
Ω
0.1
µF
20k
Ω
50k
Ω
Frequency control
voltage input
vcontrol
VCC =+30V
+250mV
Vcontrol +50V
700 Hz
f
100kHz
o
20k
Ω
3k
Ω
1/4
LM139
1/4
LM139
1/4
LM139
10k
Ω
e I ~
RS
2RS
V(ref)
high
2RS
V(ref)
low
2N 2222
(12V)
V
CC
Lamp
1/4
LM139
1/4
LM139
15V
5.1k
Ω
e o
e I ~
15V
1/4
LM139
2k
Ω
0.1
µF
200k
Ω
f = 100kHz
eo
=15V
VCC
VCC
0
100k
Ω
200k
Ω
1/4
LM139
15V
5.1k Ω
e o
e I ~
15V
5V
1/4
LM139



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