lm135-md8 National Semiconductor Corporation, lm135-md8 Datasheet - Page 9

• Manufacturer Part Number: lm135-md8
• Description: Precision Temperature Sensor
• Manufacturer: National Semiconductor Corporation

Typical Applications
*
Select R3 and R4 for thermocouple type
Adjustments:
1. Adjust R1 for the voltage across R3 equal to the Seebeck Coefficient times ambient temperature in degrees Kelvin.
2. Adjust R2 for voltage across R4 corresponding to thermocouple
THERMO-
COUPLE
(Continued)
Single Power Supply Cold Junction Compensation
T
K
S
J
T
K
S
J
1.05K
856
816
128
R3
14.32 mV
11.79 mV
11.17 mV
1.768 mV
9
46.3
385
315
300
R4
COEFFICIENT
SEEBECK
52.3 µV/˚C
42.8 µV/˚C
40.8 µV/˚C
6.4 µV/˚C
DS005698-11
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