Datasheet
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
(Note 4)
Reverse Current 15 mA
Forward Current 10 mA
Storage Temperature
TO-46 Package
b
60
§
Cto
a
180
§
C
TO-92 Package
b
60
§
Cto
a
150
§
C
SO-8 Package
b
65
§
Cto
a
150
§
C
Specified Operating Temp. Range
Intermittent
Continuous (Note 2)
LM135, LM135A
b
55
§
Cto
a
150
§
C 150
§
Cto200
§
C
LM235, LM235A
b
40
§
Cto
a
125
§
C 125
§
Cto150
§
C
LM335, LM335A
b
40
§
Cto
a
100
§
C 100
§
Cto125
§
C
Lead Temp. (Soldering, 10 seconds)
TO-92 Package: 260
§
C
TO-46 Package: 300
§
C
SO-8 Package: 300
§
C
Vapor Phase (60 seconds) 215
§
C
Infrared (15 seconds) 220
§
C
Temperature Accuracy LM135/LM235, LM135A/LM235A (Note 1)
Parameter Conditions
LM135A/LM235A LM135/LM235
Units
Min Typ Max Min Typ Max
Operating Output Voltage T
C
e
25
§
C, I
R
e
1 mA 2.97 2.98 2.99 2.95 2.98 3.01 V
Uncalibrated Temperature Error T
C
e
25
§
C, I
R
e
1 mA 0.5 1 1 3
§
C
Uncalibrated Temperature Error T
MIN
s
T
C
s
T
MAX
,I
R
e
1 mA 1.3 2.7 2 5
§
C
Temperature Error with 25
§
CT
MIN
s
T
C
s
T
MAX
,I
R
e
1 mA 0.3 1 0.5 1.5
§
C
Calibration
Calibrated Error at Extended T
C
e
T
MAX
(Intermittent) 2 2
§
C
Temperatures
Non-Linearity I
R
e
1 mA 0.3 0.5 0.3 1
§
C
Temperature Accuracy LM335, LM335A (Note 1)
Parameter Conditions
LM335A LM335
Units
Min Typ Max Min Typ Max
Operating Output Voltage T
C
e
25
§
C, I
R
e
1 mA 2.95 2.98 3.01 2.92 2.98 3.04 V
Uncalibrated Temperature Error T
C
e
25
§
C, I
R
e
1mA 1 3 2 6
§
C
Uncalibrated Temperature Error T
MIN
s
T
C
s
T
MAX
,I
R
e
1mA 2 5 4 9
§
C
Temperature Error with 25
§
CT
MIN
s
T
C
s
T
MAX
,I
R
e
1 mA 0.5 1 1 2
§
C
Calibration
Calibrated Error at Extended T
C
e
T
MAX
(Intermittent) 2 2
§
C
Temperatures
Non-Linearity I
R
e
1 mA 0.3 1.5 0.3 1.5
§
C
Electrical Characteristics (Note 1)
LM135/LM235 LM335
Parameter Conditions LM135A/LM235A LM335A Units
Min Typ Max Min Typ Max
Operating Output Voltage 400 mA
s
I
R
s
5 mA 2.5 10 3 14 mV
Change with Current At Constant Temperature
Dynamic Impedance I
R
e
1 mA 0.5 0.6 X
Output Voltage Temperature
a
10
a
10 mV/
§
C
Coefficient
Time Constant Still Air 80 80 sec
100 ft/Min Air 10 10 sec
Stirred Oil 1 1 sec
Time Stability T
C
e
125
§
C 0.2 0.2
§
C/khr
Note 1: Accuracy measurements are made in a well-stirred oil bath. For other conditions, self heating must be considered.
Note 2: Continuous operation at these temperatures for 10,000 hours for H package and 5,000 hours for Z package may decrease life expectancy of the device.
Note 3: Thermal Resistance TO-92 TO-46 SO-8
i
JA
(junction to ambient) 202
§
C/W 400
§
C/W 165
§
C/W
i
JC
(junction to case) 170
§
C/W N/A N/A
Note 4: Refer to RETS135H for military specifications.
2