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LM311NG

P1-P3P4-P6P7-P9
LM211, LM311
http://onsemi.com
4
Figure 3. Input Bias Current
versus Temperature
Figure 4. Input Offset Current
versus Temperature
Figure 5. Input Bias Current versus
Differential Input Voltage
Figure 6. Common Mode Limits
versus Temperature
T
A
, TEMPERATURE (°C) T
A
, TEMPERATURE (°C)
DIFFERENTIAL INPUT VOLTAGE (V)
I
IB
, INPUT BIAS CURRENT (nA)
I
IO
, INPUT OFFSET CURRENT (nA)
COMMON MODE LIMITS (V)
140
120
100
80
40
0
140
120
100
80
40
0
60
20
-55 -25 0 25 50 75 100 125
-16 -12 -8.0 -4.0 0 4.0 8.0 12 16
5.0
4.0
3.0
2.0
1.0
0
-55 -25 0 25 50 75 100 125
-55 -25 0 25 50 75 100 125
V
CC
-0.5
-1.0
-1.5
0.4
0.2
V
EE
T
A
, TEMPERATURE (°C)
Normal
V
CC
= +15 V
V
EE
= -15 V
I
IB
, INPUT BIAS CURRENT (nA)
Referred to Supply Voltages
V
CC
= +15 V
V
EE
= -15 V
T
A
= +25°C
Normal
Pins 5 & 6 Tied
to V
CC
V
CC
= +15 V
V
EE
= -15 V
Pins 5 & 6 Tied
to V
CC
Figure 7. Response Time for
Various Input Overdrives
Figure 8. Response Time for
Various Input Overdrives
t
TLH
, RESPONSE TIME (ms) t
THL
, RESPONSE TIME (ms)
V
in
INPUT VOLTAGE (mV)
,
V
O
, OUTPUT VOLTAGE (V)
V
in
INPUT VOLTAGE (mV)
,
V
O
, OUTPUT VOLTAGE (V)
5.0
4.0
3.0
2.0
1.0
0
0
50
100
0 0.1 0.2 0.3 0.4 0.5 0.6
5.0
4.0
3.0
2.0
1.0
0
-100
-50
0
0 0.1 0.2 0.3 0.4 0.5 0.6
5.0 mV
20 mV
2.0 mV
V
in
+5.0V
500W
V
O
*
)
+5.0V
500W
V
O
V
in
20 mV
5.0 mV
*
)
2.0 mV
V
CC
= +15 V
V
EE
= -15 V
T
A
= +25°C
V
CC
= +15 V
V
EE
= -15 V
T
A
= +25°C
LM211, LM311
http://onsemi.com
5
Figure 9. Response Time for
Various Input Overdrives
Figure 10. Response Time for
Various Input Overdrives
Figure 11. Output Short Circuit Current
Characteristics and Power Dissipation
Figure 12. Output Saturation Voltage
versus Output Current
t
TLH
, RESPONSE TIME (ms) t
THL
, RESPONSE TIME (ms)
V
O
, OUTPUT VOLTAGE (V) I
O
, OUTPUT CURRENT (mA)
V
in
INPUT VOLTAGE (mV)
,
V
O
, OUTPUT VOLTAGE (V
)
V
in
INPUT VOLTAGE (mV)
,
V
O
, OUTPUT VOLTAGE (V)
OUTPUT SHORT CIRCUIT CURRENT (mA)
V
OL
, SATURATION VOLTAGE (V)
P
D
, POWER DISSIPATION (W)
15
10
5.0
0
-5.0
-10
-15
0
-50
-100
0 1.0 2.0
0 1.0 2.0
15
10
5.0
0
-5.0
-10
-15
0
50
100
150
125
100
75
50
25
0
0 5.0 10 15
0.90
0.75
0.60
0.45
0.30
0.15
0
0.90
0.75
0.60
0.45
0.30
0.15
0
0 8.0 16 24 32 40 48 56
T
A
= +25°C
T
A
= -55°C
T
A
= +25°C
T
A
= +125°C
20 mV 5.0 mV
2.0 mV
V
in
V
CC
V
O
2.0k
V
EE
*
)
20 mV
5.0 mV
2.0 mV
V
in
V
CC
V
O
2.0k
V
EE
*
)
Power Dissipation
Short Circuit Current
V
CC
= +15 V
V
EE
= -15 V
T
A
= +25°C
V
CC
= +15 V
V
EE
= -15 V
T
A
= +25°C
Figure 13. Output Leakage Current
versus Temperature
Figure 14. Power Supply Current
versus Supply Voltage
OUTPUT LEAKAGE CURRENT (mA)
POWER SUPPLY CURRENT (mA)
T
A
, TEMPERATURE (°C) V
CC
-V
EE
, POWER SUPPLY VOLTAGE (V)
100
10
1.0
0.1
0.01
25 45 65 85 105 125
3.6
3.0
2.4
1.8
1.2
0.6
0
0 5.0 10 15 20 25 30
V
CC
= +15 V
V
EE
= -15 V
T
A
= +25°C
Output V
O
= +50 V (LM211 only)
Positive Supply - Output Low
Positive and Negative Power Supply - Output H igh
LM211, LM311
http://onsemi.com
6
8
8
Figure 15. Power Supply Current
versus Temperature
APPLICATIONS INFORMATION
Figure 16. Improved Method of Adding
Hysteresis Without Applying Positive
Feedback to the Inputs
Figure 17. Conventional Technique
for Adding Hysteresis
SUPPLY CURRENT (mA)
T
A
, TEMPERATURE (°C)
2.2
1.8
1.4
1.0
-55 -25 0 25 50 75 100 125
Positive and Negative Supply - Output High
Postive Supply - Output Low
+15 V
823.0 k
33 k
5.0 k
C1
0.002
mF
6
2
R1
R2
C2
Input
34
1
7
-15 V
5
4.7 k
LM311
0.1 mF
Output
+
-
0.1 mF
+15 V
3.0 k
5.0 k
C1
6
3
R1
R2
C2
Input
24
1
7
-15 V
5
4.7 k
LM311
0.1 mF
Output
-
+
0.1 mF
510 k
1.0 M
100
100
3.0
2.6
V
CC
= +15 V
V
EE
= -15 V
Figure 18. Zero−Crossing Detector
Driving CMOS Logic
Figure 19. Relay Driver with Strobe Capability
V
CC
= +15 V
3.0 k
10 k
V
CC
5.0 k
LM311
Inputs
V
EE
V
EE
= -15 V
Output
to CMOS Logic
Balance
Adjust
Balance
Input
GND
*D1
V
CC2
V
CC1
V
EE
V
EE
V
CC
Output
Inputs
LM311
GND
1.0k
Q1
Balance/Strobe
2N2222 or
Equivalent
*Zener Diode D1
protects the comparator
from inductive kickback
and voltage transients
on the V
CC2
supply line.
TTL
Strobe
+
+
P1-P3P4-P6P7-P9

LM311NG

Mfr. #:
Buy LM311NG
Manufacturer:
ON Semiconductor
Description:
Analog Comparators 5-30V SGL Comparator Commercial Temp
Lifecycle:
New from this manufacturer.
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