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LM311 View Datasheet(PDF) - Motorola => Freescale

Part NameLM311 Motorola
Motorola => Freescale Motorola
DescriptionHIGH PERFORMANCE VOLTAGE COMPARATORS
LM311 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
LM311 LM211
Figure 1. Circuit Schematic
1.3 k
5 300
Balance
Balance/Strobe
6 300
1.3 k
800 800
100
3.7 k 3.7 k
2
Inputs
3
730 340
3.0 k
300
250
900
800
1.3 k
1.3 k 5.4 k
8
VCC
5.0 k
7
200 Output
600
1
Gnd
4
VEE
Figure 2. Input Bias Current
versus Temperature
140
VCC = +15 V
VEE = –15 V
120
100
Pins 5 & 6 Tied
to VCC
80
Normal
40
0
–55 –25
0
25
50
75
TA, TEMPERATURE (°C)
100 125
Figure 4. Input Bias Current versus
Differential Input Voltage
140
VCC = +15 V
120
VEE = –15 V
TA = +25°C
100
80
60
40
20
0
–16 –12 –8.0 –4.0 0 4.0 8.0 12 16
DIFFERENTIAL INPUT VOLTAGE (V)
Figure 3. Input Offset Current
versus Temperature
5.0
VCC = +15 V
VEE = –15 V
4.0
Pins 5 & 6 Tied
to VCC
3.0
2.0
1.0
0
–55 –25
Normal
0
25
50
75
TA, TEMPERATURE (°C)
100 125
Figure 5. Common Mode Limits
versus Temperature
VCC
Referred to Supply Voltages
–0.5
–1.0
–1.5
0.4
0.2
VEE
–55 –25
0
25
50
75
TA, TEMPERATURE (°C)
100 125
MOTOROLA ANALOG IC DEVICE DATA
3
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Highly Flexible Voltage Comparators

The ability to operate from a single power supply of 5.0 V to 30 V or ±15 V split supplies, as commonly used with operational amplifiers, makes the LM211/LM311 a truly versatile comparator. Moreover, the inputs of the device can be isolated from system ground while the output can drive loads referenced either to ground, the VCC or the VEE supply. This flexibility makes it possible to drive DTL, RTL, TTL, or MOS logic. The output can also switch voltages to 50 V at currents to 50 mA. Thus the LM211/LM311 can be used to drive relays, lamps or solenoids.

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