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