lm139x NXP Semiconductors, lm139x Datasheet - Page 7

• Manufacturer Part Number: lm139x
• Description: Lm139/239/239a/339/339a/lm2901/mc3302 Quad Voltage Comparator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
EQUIVALENT CIRCUIT
2002 Sep 17
Quad voltage comparator
NOTE:
Input of unused comparators should be grounded.
NOTES:
V+ = 30V
+ 250m V
700H < f
O
DC
DC
= 100kHz
FREQUENCY
< V
CONTROL
VOLTAGE
V
C
O
INPUT
= 50V
+ VC
Visible Voltage Indicator
DC
+
+
+
+
V
V
V
V
REF 4
100
REF 3
100
100
REF 1
100
REF 2
100k
50k
+
+
+
+
–
–
–
–
100k
100k
100k
100k
+
20k
5V
0.1 F
DC
+
360
+
360
360
+
10
360
5V
5V
5V
DC
DC
20k
DC
Two-Decade High Frequency VCO
1/4LM339
–
+
1/4LM339
Figure 3. Equivalent circuit.
500pF
+
–
V
7
+
/2
V
30k
+
0.01 F
5.1k
V
–
/2
+
V
+
REF
V
+
1/4LM339
–
+
IN
V
REF
700k
LM139/239/239A/339/339A/
HI
TTL–to–MOS Logic Converter
LO
0.1 F
Crystal–Controlled Oscillator
+
(1.4V
2R
2R
R
Limit Comparator
V
200k
200k
S
S
REF
S
DC
V
5V
)
+
+
–
3.0k
+
–
DC
1 – 100kHz
+
100k
CRYSTAL
10K
–
–12V
+
OUTPUT 2
+
OUTPUT 1
–
V
V (12V
+
LM2901/MC3302
DC
1/4LM339
DC
2N2222
2.0k
)
V
10K
O
LAMP
V
O
V
+
o
SL00072
o
Product data
–12V