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LM339, LM239, LM2901, LM2901V, NCV2901, MC3302
(V
CC
1.40
1.20
1.00
0.80
0.60
−50
−25
0
T
, AMBIENT TEMPERATURE ( C)
A
Figure 4. Normalized Input Offset Voltage
R
S
V
+
in
V
−
ref
R1
R
= Source Resistance
S
R1 ] R
S
Logic
Device
CMOS
1/4 MC14001
TTL
1/4 MC7400
Figure 7. Driving Logic
Typical Characteristics
= 15 Vdc, T
= +25 C (each comparator) unless otherwise noted.)
A
25
50
75
100
125
8.0
7.0
6.0
T
= −55 C
A
5.0
4.0
3.0
2.0
1.0
0
0
100
V
, OUTPUT SATURATION VOLTAGE (mV)
sat
Figure 6. Output Sink Current versus
Output Saturation Voltage
V
CC
R
L
V
R
CC
L
(V)
kW
+15
100
+5.0
10
http://onsemi.com
48
42
T
= −55 C
36
A
30
24
18
12
6.0
0
0
4.0
8.0
V
, POWER SUPPLY VOLTAGE (Vdc)
CC
Figure 5. Input Bias Current
T
= +25 C
A
T
= +125 C
A
200
300
400
100 k
+
C
R2
V
CC
330 k
R4
330 k
Figure 8. Squarewave Oscillator
5
T
= +25 C
A
T
= +125 C
A
12
16
20
24
500
V
4.0 V
CC
10 k
R1
−
V
O
+
V
CC
R3
330 k
T1
T2
T1 = T2 = 0.69 RC
7.2
f [
C(mF)
R2 = R3 = R4
R1 [ R2 // R3 // R4
28
32
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