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LM339 Schematic ( PDF Datasheet ) - Estek Electronics

Teilenummer LM339
Beschreibung consists of four independent voltage comparators
Hersteller Estek Electronics
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Gesamt 6 Seiten
LM339 Datasheet, Funktion
LM339
Description
The LM339 consists of four independent voltage comparators. These were designed specifically to operate
from a single power supply over a wide range of voltages. Operation from split power supplies is also possible
and the low power supply curr ent drain is independent of the magnitude of the power supply voltage. The
outputs can be connected to other open - collector outputs to achieve wired -AND relationships.
Features
§ Wide supply voltage range
§ Low supply current drain independent of supply voltage.
§ Low input biasing current
§ Low input offset current
§ Low input offset voltage
ww§ w.DInaptauSthceoemt4Um.coonm-mode voltage range includes GND
§ Differential input voltage range equal to the power supply voltage
§ Low output saturation voltage
§ Output voltage compatible with TTL, MOS and CMOS logic
Internal Block Digram
PIN CONNECTIONS
14
1
DIP - 14
14
1
SOP – 14
Package
Output 2 1
Output 1 2
VCC 3
*– Input 1 4
)+ Input 1 5
1
*– Input 2 6
)2
+ Input 2 7
14 Output 3
13 Output 4
12 Gnd
) 11 + Input 4
*4
10 – Input 4
) 9 + Input 3
3*
8 – Input 3
(Top View)
symbol (each comparator)
IN+
OUT
IN–
BEIJING ESTEK ELECTRONICS CO.,LTD
1






LM339 Datasheet, Funktion
LM339
R1
8.2k
Vin
D1
R4 R5
220k 220k
6.8k
R2
15k
R3
+15V
10M
10k
V
O
D1 prevents input from going negative by more than 0.6 V
R1+R2= R3
www.DataRS3h3eeRt1405U.fcoorsmmallerrorinzerocrossing
Figure 5. Zero Crossing Detector
(Single Supply)
Vin(min) 0.4VPeak for1%phase distortion(∆Θ ).
Vin Vin(min)
VCC
10k
+ VO VCC
Vin VEE
VO
VEE
Θ
Θ
∆Θ
Figure 6. Zero Crossing Detector
(Split Supplies)
Ordering Information
ORDERING NUMBER
LM339M
PACKAG E
SOP-14 / DIP-14
MARKING
LM339
Address :
6A06--6A07
Rm 6A07,Changyin Office Building ,No.88,Yong Ding Road,Hai Dian District ,Beijing
Postalcode:100039
Tel: 86-010-58895780 / 81 / 82 / 83 / 84 Fax : 010-58895793
Http://www.estek.com.cn
REV No:01-060818
BEIJING ESTEK ELECTRONICS CO.,LTD
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