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LM239 数据表(PDF) 7 Page - NXP Semiconductors

部件名 LM239
功能描述  Quad voltage comparator
Download  10 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

LM239 数据表(HTML) 7 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
LM139/239/239A/339/339A/
LM2901/MC3302
Quad voltage comparator
1995 Nov 27
7
EQUIVALENT CIRCUIT
100k
500pF
10
0.1
µF
20k
50k
20k
V + /2
V +
30k
5.1k
700k
V – /2
+
+ VC
FREQUENCY
CONTROL
VOLTAGE
INPUT
3.0k
OUTPUT 1
OUTPUT 2
+
+
+ VREF HI
+ VIN
2RS
RS
2RS
+ V (12VDC)
10K
LAMP
2N2222
+
+
+
+ 5VDC
360
100
100k
+
+ 5VDC
360
100
100k
+
+ 5VDC
360
100
100k
+
+ 5VDC
360
100
100k
+ VREF 4
+ VREF 3
+ VREF 2
+ VREF 1
VO
+
V+
2.0k
V+
o
VO
1 – 100kHz
CRYSTAL
200k
200k
100k
0.1
µF
Crystal–Controlled Oscillator
Limit Comparator
Two–Decade High–Frequency VCO
Visible Voltage Indicator
+
TTL–to–MOS Logic Converter
NOTES:
V+ = 30VDC
+ 250m VDC < VC = 50VDC
700H < fO = 100kHz
NOTE:
Input of unused comparators should be grounded.
1/4LM339
1/4LM339
1/4LM339
+ VREF LO
5VDC
–12VDC
0.01
µF
V+
+ VREF
(1.4VDC)
10K
1/4LM339
VO
–12V
o
SL00072
Figure 3. Equivalent Circuit


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