LM135H National Semiconductor, LM135H Datasheet - Page 9

• Manufacturer Part Number: LM135H
• Description: IC, TEMP SENSOR, ± 0.5°C, TO-46-3
• Manufacturer: National Semiconductor

Specifications of LM135H

• Ic Output Type: Voltage
• Sensing Accuracy Range: ± 2.7°C
• Supply Current: 1mA
• Sensor Case Style: TO-46
• No. Of Pins: 3
• Operating Temperature Range: -55°C To +150°C
• Supply Voltage Min: 5V
• Rohs Compliant: No
• Leaded Process Compatible: No
• Operating Temperature Max: 150°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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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