LM339 Datasheet, PDF (3/8 Pages) Motorola, Inc – Quad Single Supply Comparators

LM339, LM339A, LM239, LM239A, LM2901, M2901V, MC3302
Vin
+ VCC
Figure 2. Inverting Comparator
with Hystersis
+ VCC
Figure 3. Noninverting Comparator
with Hysteresis
+ VCC
R3
10 k
Rref
Vref
10k
10 k
–
+
VO
R2
[ ^{1.0 M}
R1
Vref
VCC R1
Rref + R1
] R3 R1 / / Rref / / R2
VH =
R1 / / Rref
R1/ / Rref + R2
[VO(max) – VO(min)]
Æ¡ R2 Rref / / R1
Rref
Vref
R1
R2
Vin
10 k
10 k
–
+
VO
R3
1.0 M
Vref =
VCC R1
Rref + R1
[ R2 R1 / / Rref
Amount of Hysteresis VH
VH =
R2
R2 + R3
[(VO(max) – VO(min)]
Typical Characteristics
(VCC = 15 Vdc, TA = +25°C (each comparator) unless otherwise noted.)
Figure 4. Normalized Input Offset Voltage
1.40
1.20
1.00
0.80
0.60
–50 –25 0
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 5. Input Bias Current
48
42
36
TA = –55° C
TA = +25° C
30
24
TA = +125°C
18
12
6.0
0
0 4.0 8.0 12 16 20 24 28 32
VCC, POWER SUPPLY VOLTAGE (Vdc)
Figure 6. Output Sink Current versus
Output Saturation Voltage
8.0
7.0
6.0 _{TA = –55° C}
5.0
4.0
TA = +25° C
TA = +125°C
3.0
2.0
1.0
0
0
100
200
300
400
500
Vsat, OUTPUT SATURATION VOLTAGE (mV)
http://onsemi.com
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