LM35_15 Datasheet, PDF (15/31 Pages) Texas Instruments – LM35 Precision Centigrade Temperature Sensors

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8.2 Typical Application
8.2.1 Basic Centigrade Temperature Sensor
+V_S
(4 V to 20 V)
LM35
SNIS159F – AUGUST 1999 – REVISED JANUARY 2016
LM35
OUTPUT
0 mV + 10.0 mV/°C
Figure 14. Basic Centigrade Temperature Sensor (2 °C to 150 °C)
8.2.1.1 Design Requirements
Table 1. Design Parameters
PARAMETER
Accuracy at 25°C
Accuracy from –55 °C to 150°C
Temperature Slope
VALUE
±0.5°C
±1°C
10 mV/°C
8.2.1.2 Detailed Design Procedure
Because the LM35 device is a simple temperature sensor that provides an analog output, design requirements
related to layout are more important than electrical requirements. For a detailed description, refer to the Layout.
8.2.1.3 Application Curve
2.0
1.5
LM35
1.0
0.5
TYPICAL
0.0
LM35A
±0.5
LM35A
±1.0
±1.5
±2.0
±75
LM35
±25
25
75
125
TEMPERATURE (ƒC)
175
C008
Figure 15. Accuracy vs Temperature (Ensured)
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