LM111, LM211, LM311, LM311Y
DIFFERENTIAL COMPARATORS WITH STROBES
SLCS007A – SEPTEMBER 1973 – REVISED FEBRUARY 1992
†
TYPICAL CHARACTERISTICS
INPUT OFFSET CURRENT
vs
FREE-AIR TEMPERATURE
INPUT BIAS CURRENT
vs
FREE-AIR TEMPERATURE
20
18
16
14
12
10
8
500
450
400
350
300
250
200
150
V
V
= ±15 V
V
V
= ±15 V
CC±
= 1 V to 14 V
CC±
= 1 V to 14 V
LM311
O
O
See Note A
See Note A
LM111
LM211
LM311
†
LM111
LM211
Condition 2
†
Condition 1
Condition 2
6
Condition 1
LM311
LM311
4
2
0
100
50
0
LM111
LM211
†
LM111
LM211
†
– 60 – 40 – 20
0
20 40 60 80 100 120 140
– 60 – 40 – 20
0
20 40 60 80 100 120 140
T
A
– Free-Air Temperature – °C
T
A
– Free-Air Temperature – °C
Figure 1
Figure 2
NOTE A: Condition 1 is with BALANCE and BAL/STRB open. Condition 2 is with BALANCE and BAL/STRB connected to V
.
CC+
V = 50 V (LM111, LM211)
I
40 V (LM311)
V
CC+
= 30 V
VOLTAGE TRANSFER CHARACTERISTICS
1 kΩ
60
50
40
30
20
10
0
V
V
T
A
= 30 V
= 0
= 25°C
CC+
CC–
LM111
LM211
Output
V
ID
LM311
V
CC–
COLLECTOR OUTPUT TRANSFER CHARACTERISTIC
TEST CIRCUIT FOR FIGURE 3
Collector
Output
Emitter Output
= 600 Ω
R
L
R
= 1 kΩ
L
V
= 30 V
CC+
V
ID
Output
600 Ω
V
CC–
–1
– 0.5
0
0.5
1
V
ID
– Differential Input Voltage – mV
EMITTER OUTPUT TRANSFER CHARACTERISTIC
TEST CIRCUIT FOR FIGURE 3
Figure 3
†
Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.
7
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