Absolute Maximum Ratings
(Note 1)
If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office
Distributors for availability and specifications
Supply Voltage
Output Short Circuit to Ground
Output Short Circuit to V
CC
Input Voltage
Operating Ambient Temperature Range
Power Dissipation (P
D
at 25 C)
and Thermal Resistance (i
jA
)
(H Package) P
D
i
jA
(N Package) P
D
i
jA
(M Package) P
D
i
JA
Lead Temperature (Soldering 10 sec )
Dual-In-Line Package (Plastic)
Metal Can Package (TO-5)
ESD Susceptibility (Note 4)
Metal Can Package (TO-5)
Other Packages
LM131A LM131
40V
Continuous
Continuous
b
0 2V to
a
V
S
T
MIN
T
MAX
b
55 C to
a
125 C
LM231A LM231
40V
Continuous
Continuous
b
0 2V to
a
V
S
T
MIN
T
MAX
b
25 C to
a
85 C
LM331A LM331
40V
Continuous
Continuous
b
0 2V to
a
V
S
T
MIN
T
MAX
a
70 C
0 C to
670 mW
150 C W
1 25W
100 C W
1 25W
85 C W
260 C
260 C
2000V
500V
500V
260 C
1 25W
100 C W
260 C
Electrical Characteristics
T
A
e
25 C unless otherwise specified (Note 2)
Parameter
VFC Non-Linearity (Note 3)
Conditions
4 5V
s
V
S
s
20V
T
MIN
s
T
A
s
T
MAX
VFC Non-Linearity
In Circuit of
Figure 1
Conversion Accuracy Scale Factor (Gain)
LM131 LM131A LM231 LM231A
LM331 LM331A
Temperature Stability of Gain
LM131 LM231 LM331
LM131A LM231A LM331A
Change of Gain with V
S
Rated Full-Scale Frequency
Gain Stability vs Time
(1000 Hrs)
Overrange (Beyond Full-Scale) Frequency
INPUT COMPARATOR
Offset Voltage
LM131 LM231 LM331
LM131A LM231A LM331A
Bias Current
Offset Current
Common-Mode Range
T
MIN
s
T
A
s
T
MAX
b
0 2
Min
Typ
g
0 003
g
0 006
g
0 024
Max
g
0 01
g
0 02
g
0 14
Units
% Full-
Scale
% Full-
Scale
%Full-
Scale
kHz V
kHz V
ppm C
ppm C
% V
% V
kHz
% Full-
Scale
%
V
S
e
15V f
e
10 Hz to 11 kHz
V
IN
e b
10V R
S
e
14 kX
0 95
0 90
T
MIN
s
T
A
s
T
MAX
4 5V
s
V
S
s
20V
1 00
1 00
g
30
g
20
1 05
1 10
g
150
g
50
4 5V
s
V
S
s
10V
10V
s
V
S
s
40V
V
IN
e b
10V
T
MIN
s
T
A
s
T
MAX
V
IN
e b
11V
10
10 0
0 01
0 006
g
0 02
01
0 06
T
MIN
s
T
A
s
T
MAX
T
MIN
s
T
A
s
T
MAX
g
3
g
4
g
3
g
10
g
14
g
10
mV
mV
mV
nA
nA
V
b
80
g
8
b
300
g
100
V
CC
b
2 0
2
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