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LM35DZ_NOPB Datasheet(PDF) 1 Page - Texas Instruments

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Part No. LM35DZ_NOPB
Description  LM35 Precision Centigrade Temperature Sensors
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM35DZ_NOPB Datasheet(HTML) 1 Page - Texas Instruments

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LM35
+V
S
R1
V
OUT
tVS
LM35
+VS
(4 V to 20 V)
OUTPUT
0 mV + 10.0 mV/°C
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LM35
www.ti.com
SNIS159C – AUGUST 1999 – REVISED JULY 2013
LM35 Precision Centigrade Temperature Sensors
1
FEATURES
DESCRIPTION
The LM35 series are precision integrated-circuit
2
Calibrated Directly in ° Celsius (Centigrade)
temperature sensors, with an output voltage linearly
Linear + 10 mV/°C Scale Factor
proportional to the Centigrade temperature. Thus the
0.5°C Ensured Accuracy (at +25°C)
LM35 has an advantage over linear temperature
sensors calibrated in ° Kelvin, as the user is not
Rated for Full
−55°C to +150°C Range
required to subtract a large constant voltage from the
Suitable for Remote Applications
output to obtain convenient Centigrade scaling. The
Low Cost Due to Wafer-Level Trimming
LM35 does not require any external calibration or
trimming to provide typical accuracies of ±¼°C at
Operates from 4 to 30 V
room temperature and ±¾°C over a full
−55°C to
Less than 60-
μA Current Drain
+150°C temperature range. Low cost is assured by
Low Self-Heating, 0.08°C in Still Air
trimming and calibration at the wafer level. The low
output impedance, linear output, and precise inherent
Nonlinearity Only ±¼°C Typical
calibration of the LM35 make interfacing to readout or
Low Impedance Output, 0.1 W for 1 mA Load
control circuitry especially easy. The device is used
with single power supplies, or with plus and minus
supplies. As the LM35 draws only 60
μA from the
supply, it has very low self-heating of less than 0.1°C
in still air. The LM35 is rated to operate over a
−55°C
to +150°C temperature range, while the LM35C is
rated for a
−40°C to +110°C range (−10° with
improved accuracy). The LM35 series is available
packaged in hermetic TO transistor packages, while
the LM35C, LM35CA, and LM35D are also available
in the plastic TO-92 transistor package. The LM35D
is also available in an 8-lead surface-mount small-
outline package and a plastic TO-220 package.
Figure 1. Basic Centigrade Temperature Sensor
(+2°C to +150°C)
Choose R1 = –VS / 50 µA
VOUT = 1500 mV at 150°C
VOUT = 250 mV at 25°C
VOUT = –550 mV at –55°C
Figure 2. Full-Range Centigrade Temperature
Sensor
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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