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