Product Folder Sample & Buy Support & Community Tools & Software Technical Documents LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 LM35 Precision Centigrade Temperature Sensors 1 Features 3 Description • • • • • • • • • • • The LM35 series are precision integrated-circuit temperature devices with an output voltage linearlyproportional to the Centigrade temperature. The LM35 device has an advantage over linear temperature sensors calibrated in Kelvin, as the user is not required to subtract a large constant voltage from the output to obtain convenient Centigrade scaling. The LM35 device does not require any external calibration or trimming to provide typical accuracies of ±¼°C at room temperature and ±¾°C over a full −55°C to 150°C temperature range. Lower cost is assured by trimming and calibration at the wafer level. The low-output impedance, linear output, and precise inherent calibration of the LM35 device makes interfacing to readout or control circuitry especially easy. The device is used with single power supplies, or with plus and minus supplies. As the LM35 device draws only 60 μA from the supply, it has very low self-heating of less than 0.1°C in still air. The LM35 device is rated to operate over a −55°C to 150°C temperature range, while the LM35C device is rated for a −40°C to 110°C range (−10° with improved accuracy). The LM35-series devices are available packaged in hermetic TO transistor packages, while the LM35C, LM35CA, and LM35D devices are available in the plastic TO-92 transistor package. The LM35D device is available in an 8-lead surface-mount small-outline package and a plastic TO-220 package. 1 Calibrated Directly in Celsius (Centigrade) Linear + 10-mV/°C Scale Factor 0.5°C Ensured Accuracy (at 25°C) Rated for Full −55°C to 150°C Range Suitable for Remote Applications Low-Cost Due to Wafer-Level Trimming Operates from 4 V to 30 V Less than 60-μA Current Drain Low Self-Heating, 0.08°C in Still Air Non-Linearity Only ±¼°C Typical Low-Impedance Output, 0.1 Ω for 1-mA Load 2 Applications • • • • Power Supplies Battery Management HVAC Appliances Device Information(1) PART NUMBER LM35 PACKAGE BODY SIZE (NOM) TO-CAN (3) 4.699 mm × 4.699 mm TO-92 (3) 4.30 mm × 4.30 mm SOIC (8) 4.90 mm × 3.91 mm TO-220 (3) 14.986 mm × 10.16 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Basic Centigrade Temperature Sensor (2°C to 150°C) +VS +VS (4 V to 20 V) LM35 Full-Range Centigrade Temperature Sensor OUTPUT 0 mV + 10.0 mV/°C LM35 VOUT R1 tVS Choose R1 = –VS / 50 µA VOUT = 1500 mV at 150°C VOUT = 250 mV at 25°C VOUT = –550 mV at –55°C 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com Table of Contents 1 2 3 4 5 6 Features .................................................................. Applications ........................................................... Description ............................................................. Revision History..................................................... Pin Configuration and Functions ......................... Specifications......................................................... 1 1 1 2 3 4 6.1 6.2 6.3 6.4 6.5 6.6 6.7 Absolute Maximum Ratings ...................................... 4 ESD Ratings.............................................................. 4 Recommended Operating Conditions....................... 4 Thermal Information .................................................. 4 Electrical Characteristics: LM35A, LM35CA Limits... 5 Electrical Characteristics: LM35A, LM35CA ............. 6 Electrical Characteristics: LM35, LM35C, LM35D Limits.......................................................................... 8 6.8 Electrical Characteristics: LM35, LM35C, LM35D ... 9 6.9 Typical Characteristics ............................................ 11 7 Detailed Description ............................................ 13 7.2 Functional Block Diagram ....................................... 13 7.3 Feature Description................................................. 13 7.4 Device Functional Modes........................................ 13 8 Application and Implementation ........................ 14 8.1 Application Information............................................ 14 8.2 Typical Application .................................................. 15 8.3 System Examples ................................................... 16 9 Power Supply Recommendations...................... 19 10 Layout................................................................... 19 10.1 Layout Guidelines ................................................. 19 10.2 Layout Example .................................................... 20 11 Device and Documentation Support ................. 21 11.1 Trademarks ........................................................... 21 11.2 Electrostatic Discharge Caution ............................ 21 11.3 Glossary ................................................................ 21 12 Mechanical, Packaging, and Orderable Information ........................................................... 21 7.1 Overview ................................................................. 13 4 Revision History Changes from Revision D (October 2013) to Revision E • Page Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1 Changes from Revision C (July 2013) to Revision D Page • Changed W to Ω .................................................................................................................................................................... 1 • Changed W to Ω in Abs Max tablenote. ................................................................................................................................ 4 2 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 5 Pin Configuration and Functions NDV Package 3-Pin TO-CAN (Top View) +VS NEB Package 3-Pin TO-220 (Top View) VOUT GND t LM 35DT Case is connected to negative pin (GND) D Package 8-PIN SOIC (Top View) VOUT N.C. 1 2 8 7 +VS N.C. N.C. 3 6 N.C. GND 4 5 N.C. +VS GND VOUT Tab is connected to the negative pin (GND). NOTE: The LM35DT pinout is different than the discontinued LM35DP N.C. = No connection LP Package 3-Pin TO-92 (Bottom View) +VS VOUT GND Pin Functions PIN NAME VOUT N.C. GND N.C. +VS TO46 TO92 TO220 SO8 — — — 1 — — — 2 — — — 3 — — — 4 — — — 5 — — — 6 — — — 7 — — — 8 TYPE DESCRIPTION O Temperature Sensor Analog Output — No Connection GROUND — POWER Device ground pin, connect to power supply negative terminal No Connection Positive power supply pin Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 3 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) (2) MIN MAX UNIT Supply voltage –0.2 35 V Output voltage –1 6 V Output current 10 mA Maximum Junction Temperature, TJmax 150 °C Storage Temperature, Tstg (1) (2) TO-CAN, TO-92 Package –60 150 TO-220, SOIC Package –65 150 °C If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating the device beyond its rated operating conditions. 6.2 ESD Ratings V(ESD) (1) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) VALUE UNIT ±2500 V JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) Specified operating temperature: TMIN to TMAX MIN MAX LM35, LM35A –55 150 LM35C, LM35CA –40 110 0 100 4 30 LM35D Supply Voltage (+VS) UNIT °C V 6.4 Thermal Information LM35 THERMAL METRIC (1) (2) NDV LP 3 PINS RθJA Junction-to-ambient thermal resistance RθJC(top) Junction-to-case (top) thermal resistance (1) (2) 4 D NEB 8 PINS 3 PINS 400 180 220 90 24 — — — UNIT °C/W For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. For additional thermal resistance information, see Typical Application. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 6.5 Electrical Characteristics: LM35A, LM35CA Limits Unless otherwise noted, these specifications apply: −55°C ≤ TJ ≤ 150°C for the LM35 and LM35A; −40°C ≤ TJ ≤ 110°C for the LM35C and LM35CA; and 0°C ≤ TJ ≤ 100°C for the LM35D. VS = 5 Vdc and ILOAD = 50 μA, in the circuit of Full-Range Centigrade Temperature Sensor. These specifications also apply from 2°C to TMAX in the circuit of Figure 14. LM35A PARAMETER Accuracy (3) TEST CONDITIONS LM35CA TYP TESTED LIMIT (1) DESIGN LIMIT (2) TYP TESTED LIMIT (1) TA = 25°C ±0.2 ±0.5 TA = –10°C ±0.3 ±0.2 ±0.5 TA = TMAX ±0.4 ±1 ±0.4 TA = TMIN ±0.4 ±1 ±0.4 ±1.5 ±0.15 ±0.3 ±0.3 ±1 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C Sensor gain (average slope) TMIN ≤ TA ≤ TMAX 10 9.9 10 9.9 –40°C ≤ TJ ≤ 125°C 10 10.1 10 10.1 TA = 25°C ±0.4 ±1 ±0.4 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C ±0.5 Load regulation (5) 0 ≤ IL ≤ 1 mA Line regulation (5) TA = 25°C ±0.01 4 V ≤ VS ≤ 30 V, –40°C ≤ TJ ≤ 125°C ±0.02 VS = 5 V, 25°C Quiescent current (6) 105 VS = 30 V, 25°C 56.2 VS = 30 V, –40°C ≤ TJ ≤ 125°C Change of quiescent current (5) Temperature coefficient of quiescent current (1) (2) (3) (4) (5) (6) ±3 ±0.05 ±0.1 67 68 114 68 0.5 2 0.5 2 –40°C ≤ TJ ≤ 125°C 0.39 0.5 0.39 0.5 1.5 2 1.5 2 ±0.08 µA 116 4 V ≤ VS ≤ 30 V, –40°C ≤ TJ ≤ 125°C TJ = TMAX, for 1000 hours mV/V 67 91.5 0.2 mV/mA ±0.1 0.2 1 mV/°C ±0.05 91 56.2 133 ±3 ±0.02 56 131 105.5 ±0.5 ±0.01 °C ±1 4 V ≤ VS ≤ 30 V, 25°C Minimum temperature In circuit of Figure 14, IL = 0 for rate accuracy Long term stability 56 VS = 5 V, –40°C ≤ TJ ≤ 125°C ±0.35 °C ±1 Nonlinearity (4) ±0.18 UNIT DESIGN LIMIT (2) 1 ±0.08 µA µA/°C °C °C Tested Limits are ensured and 100% tested in production. Design Limits are ensured (but not 100% production tested) over the indicated temperature and supply voltage ranges. These limits are not used to calculate outgoing quality levels. Accuracy is defined as the error between the output voltage and 10 mv/°C times the case temperature of the device, at specified conditions of voltage, current, and temperature (expressed in °C). Non-linearity is defined as the deviation of the output-voltage-versus-temperature curve from the best-fit straight line, over the rated temperature range of the device. Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating effects can be computed by multiplying the internal dissipation by the thermal resistance. Quiescent current is defined in the circuit of Figure 14. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 5 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com 6.6 Electrical Characteristics: LM35A, LM35CA Unless otherwise noted, these specifications apply: −55°C ≤ TJ ≤ 150°C for the LM35 and LM35A; −40°C ≤ TJ ≤ 110°C for the LM35C and LM35CA; and 0°C ≤ TJ ≤ 100°C for the LM35D. VS = 5 Vdc and ILOAD = 50 μA, in the circuit of Full-Range Centigrade Temperature Sensor. These specifications also apply from 2°C to TMAX in the circuit of Figure 14. PARAMETER LM35A TEST CONDITIONS MIN TYP LM35CA MAX ±0.2 TA = 25°C Tested Limit (2) TYP TYP MAX UNIT ±0.2 ±0.5 ±0.5 Design Limit (3) TA = –10°C Tested Limit ±0.3 ±0.3 ±0.4 ±0.4 (2) Design Limit (3) Accuracy (1) TA = TMAX ±1 Tested Limit (2) Design Limit ±1 ±1 (3) ±0.4 TA = TMIN Tested Limit (2) ±0.4 ±1 Design Limit (3) ±1.5 ±0.18 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C Nonlinearity (4) ±0.15 Tested Limit (2) Design Limit °C (3) ±0.35 10 TMIN ≤ TA ≤ TMAX Tested Limit (2) ±0.3 10 9.9 Design Limit (3) Sensor gain (average slope) 9.9 10 –40°C ≤ TJ ≤ 125°C Tested Limit (2) 10 10.1 ±0.4 Load regulation 0 ≤ IL ≤ 1 mA Tested Limit (2) ±0.4 ±1 ±0.5 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C TA = 25°C Tested Limit (2) Design Limit (3) ±3 (5) 6 ±0.05 ±0.02 4 V ≤ VS ≤ 30 V, –40°C ≤ TJ ≤ 125°C (4) Tested Limit (2) ±3 ±0.01 ±0.05 Design Limit (3) Line regulation (5) (2) (3) mV/mA ±0.5 ±0.01 (1) ±1 Design Limit (3) (5) mV/°C 10.1 Design Limit (3) TA = 25°C °C mV/V ±0.02 Tested Limit (2) Design Limit (3) ±0.1 ±0.1 Accuracy is defined as the error between the output voltage and 10 mv/°C times the case temperature of the device, at specified conditions of voltage, current, and temperature (expressed in °C). Tested Limits are ensured and 100% tested in production. Design Limits are ensured (but not 100% production tested) over the indicated temperature and supply voltage ranges. These limits are not used to calculate outgoing quality levels. Non-linearity is defined as the deviation of the output-voltage-versus-temperature curve from the best-fit straight line, over the rated temperature range of the device. Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating effects can be computed by multiplying the internal dissipation by the thermal resistance. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 Electrical Characteristics: LM35A, LM35CA (continued) Unless otherwise noted, these specifications apply: −55°C ≤ TJ ≤ 150°C for the LM35 and LM35A; −40°C ≤ TJ ≤ 110°C for the LM35C and LM35CA; and 0°C ≤ TJ ≤ 100°C for the LM35D. VS = 5 Vdc and ILOAD = 50 μA, in the circuit of Full-Range Centigrade Temperature Sensor. These specifications also apply from 2°C to TMAX in the circuit of Figure 14. PARAMETER LM35A TEST CONDITIONS MIN TYP LM35CA MAX 56 VS = 5 V, 25°C Tested Limit (2) TYP TYP MAX UNIT 56 67 67 Design Limit (3) 105 VS = 5 V, –40°C ≤ TJ ≤ 125°C Quiescent current (6) Tested Limit 91 (2) Design Limit (3) 131 56.2 VS = 30 V, 25°C Tested Limit (2) 114 56.2 68 µA 68 Design Limit (3) 105.5 VS = 30 V, –40°C ≤ TJ ≤ 125°C 91.5 Tested Limit (2) Design Limit (3) 133 0.2 4 V ≤ VS ≤ 30 V, 25°C Change of quiescent current (5) Design Limit 1 4 V ≤ VS ≤ 30 V, –40°C ≤ TJ ≤ 125°C Minimum temperature for rate accuracy In circuit of Figure 14, IL = 0 Long term stability TJ = TMAX, for 1000 hours µA 0.5 Tested Limit (2) Design Limit (3) 2 0.39 –40°C ≤ TJ ≤ 125°C 1 (3) 0.5 Temperature coefficient of quiescent current (6) Tested Limit (2) 116 0.2 2 0.39 Tested Limit (2) µA/°C Design Limit (3) 0.5 1.5 0.5 1.5 Tested Limit (2) °C Design Limit (3) 2 ±0.08 2 ±0.08 °C Quiescent current is defined in the circuit of Figure 14. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 7 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com 6.7 Electrical Characteristics: LM35, LM35C, LM35D Limits Unless otherwise noted, these specifications apply: −55°C ≤ TJ ≤ 150°C for the LM35 and LM35A; −40°C ≤ TJ ≤ 110°C for the LM35C and LM35CA; and 0°C ≤ TJ ≤ 100°C for the LM35D. VS = 5 Vdc and ILOAD = 50 μA, in the circuit of Full-Range Centigrade Temperature Sensor. These specifications also apply from 2°C to TMAX in the circuit of Figure 14. LM35 PARAMETER Accuracy, LM35, LM35C (3) Accuracy, LM35D (3) Nonlinearity (4) Sensor gain (average slope) Load regulation (5) 0 ≤ IL ≤ 1 mA Line regulation (5) TEST CONDITIONS TYP TESTED LIMIT (1) TA = 25°C ±0.4 ±1 TA = –10°C ±0.5 TA = TMAX ±0.8 TA = TMIN ±0.8 Temperature coefficient of quiescent current (1) (2) (3) (4) (5) (6) 8 ±0.4 ±1 DESIGN LIMIT (2) ±0.5 ±1.5 ±0.8 ±1.5 ±0.8 ±2 ±0.6 ±0.9 ±2 TA = TMIN ±0.9 ±2 ±0.2 ±0.5 ±0.3 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C 10 9.8 10 9.8 10 10.2 10 10.2 TA = 25°C ±0.4 ±2 ±0.4 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C ±0.5 TA = 25°C ±0.01 4 V ≤ VS ≤ 30 V, –40°C ≤ TJ ≤ 125°C ±0.02 56 VS = 5 V, –40°C ≤ TJ ≤ 125°C 105 VS = 30 V, 25°C 56.2 ±0.5 ±5 ±0.1 ±0.2 80 82 105.5 ±0.2 138 82 91.5 4 V ≤ VS ≤ 30 V, –40°C ≤ TJ ≤ 125°C 0.5 3 0.5 3 –40°C ≤ TJ ≤ 125°C 0.39 0.7 0.39 0.7 1.5 2 1.5 2 TJ = TMAX, for 1000 hours ±0.08 ±0.08 mV/°C mV/mA mV/V µA 141 0.2 0.2 °C 80 4 V ≤ VS ≤ 30 V, 25°C 2 °C ±0.1 91 56.2 161 ±5 ±0.02 56 158 °C ±2 ±0.5 ±0.01 UNIT ±1.5 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C Minimum temperature In circuit of Figure 14, IL = 0 for rate accuracy Long term stability ±1.5 TESTED LIMIT (1) TA = TMAX VS = 30 V, –40°C ≤ TJ ≤ 125°C Change of quiescent current (5) ±1.5 TYP TA = 25°C VS = 5 V, 25°C Quiescent current (6) LM35C, LM35D DESIGN LIMIT (2) 2 µA µA/°C °C °C Tested Limits are ensured and 100% tested in production. Design Limits are ensured (but not 100% production tested) over the indicated temperature and supply voltage ranges. These limits are not used to calculate outgoing quality levels. Accuracy is defined as the error between the output voltage and 10 mv/°C times the case temperature of the device, at specified conditions of voltage, current, and temperature (expressed in °C). Non-linearity is defined as the deviation of the output-voltage-versus-temperature curve from the best-fit straight line, over the rated temperature range of the device. Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating effects can be computed by multiplying the internal dissipation by the thermal resistance. Quiescent current is defined in the circuit of Figure 14. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 6.8 Electrical Characteristics: LM35, LM35C, LM35D Unless otherwise noted, these specifications apply: −55°C ≤ TJ ≤ 150°C for the LM35 and LM35A; −40°C ≤ TJ ≤ 110°C for the LM35C and LM35CA; and 0°C ≤ TJ ≤ 100°C for the LM35D. VS = 5 Vdc and ILOAD = 50 μA, in the circuit of Full-Range Centigrade Temperature Sensor. These specifications also apply from 2°C to TMAX in the circuit of Figure 14. PARAMETER LM35 TEST CONDITIONS MIN TYP LM35C, LM35D MAX ±0.4 TA = 25°C Tested Limit (2) MIN TYP UNIT MAX ±0.4 ±1 ±1 Design Limit (3) TA = –10°C Tested Limit ±0.5 ±0.5 ±0.8 ±0.8 (2) Design Limit (3) Accuracy, LM35, LM35C (1) TA = TMAX ±1.5 Tested Limit (2) Design Limit ±1.5 (3) ±1.5 ±0.8 TA = TMIN °C ±0.8 Tested Limit (2) Design Limit (3) ±1.5 ±2 ±0.6 TA = 25°C Tested Limit (2) Design Limit ±1.5 (3) ±0.9 Accuracy, LM35D (1) TA = TMAX Tested Limit (2) °C Design Limit (3) ±2 ±0.9 TA = TMIN Tested Limit (2) Design Limit (3) ±2 ±0.3 Nonlinearity (4) TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C ±0.2 Tested Limit (2) °C Design Limit (3) ±0.5 10 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C Sensor gain (average slope) Tested Limit (2) ±0.5 10 9.8 Design Limit (3) 9.8 10 Tested Limit (2) 10.2 Design Limit (3) 10.2 ±0.4 TA = 25°C (2) (3) (4) (5) ±2 ±0.5 TMIN ≤ TA ≤ TMAX, –40°C ≤ TJ ≤ 125°C (1) Tested Limit (2) ±0.4 ±2 Design Limit (3) Load regulation (5) 0 ≤ IL ≤ 1 mA mV/°C 10 mV/mA ±0.5 Tested Limit (2) Design Limit (3) ±5 ±5 Accuracy is defined as the error between the output voltage and 10 mv/°C times the case temperature of the device, at specified conditions of voltage, current, and temperature (expressed in °C). Tested Limits are ensured and 100% tested in production. Design Limits are ensured (but not 100% production tested) over the indicated temperature and supply voltage ranges. These limits are not used to calculate outgoing quality levels. Non-linearity is defined as the deviation of the output-voltage-versus-temperature curve from the best-fit straight line, over the rated temperature range of the device. Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating effects can be computed by multiplying the internal dissipation by the thermal resistance. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 9 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com Electrical Characteristics: LM35, LM35C, LM35D (continued) Unless otherwise noted, these specifications apply: −55°C ≤ TJ ≤ 150°C for the LM35 and LM35A; −40°C ≤ TJ ≤ 110°C for the LM35C and LM35CA; and 0°C ≤ TJ ≤ 100°C for the LM35D. VS = 5 Vdc and ILOAD = 50 μA, in the circuit of Full-Range Centigrade Temperature Sensor. These specifications also apply from 2°C to TMAX in the circuit of Figure 14. PARAMETER LM35 TEST CONDITIONS MIN TYP LM35C, LM35D MAX ±0.01 TA = 25°C Tested Limit (2) MIN TYP ±0.1 ±0.1 ±0.02 4 V ≤ VS ≤ 30 V, –40°C ≤ TJ ≤ 125°C ±0.02 mV/V Tested Limit (2) Design Limit (3) ±0.2 56 VS = 5 V, 25°C UNIT ±0.01 Design Limit (3) Line regulation (5) MAX Tested Limit (2) ±0.2 56 80 80 Design Limit (3) 105 VS = 5 V, –40°C ≤ TJ ≤ 125°C Quiescent current (6) 91 Tested Limit (2) Design Limit (3) 158 56.2 VS = 30 V, 25°C Tested Limit (2) Design Limit 82 Change of quiescent current (5) Design Limit (3) 91.5 161 µA 0.5 Tested Limit (2) Design Limit (3) 3 0.39 –40°C ≤ TJ ≤ 125°C Minimum temperature for rate accuracy In circuit of Figure 14, IL = 0 Tested Limit (2) Long term stability TJ = TMAX, for 1000 hours 10 2 2 0.5 Temperature coefficient of quiescent current (6) 141 0.2 Tested Limit (2) Design Limit (3) 4 V ≤ VS ≤ 30 V, –40°C ≤ TJ ≤ 125°C 82 Tested Limit (2) 0.2 4 V ≤ VS ≤ 30 V, 25°C µA (3) 105.5 VS = 30 V, –40°C ≤ TJ ≤ 125°C 138 56.2 3 0.39 Tested Limit (2) µA/°C Design Limit (3) 0.7 1.5 0.7 1.5 °C Design Limit (3) 2 ±0.08 2 ±0.08 °C Quiescent current is defined in the circuit of Figure 14. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 6.9 Typical Characteristics 45 40 TIME CONSTANT (SEC) THERMAL RESISTANCE (C/W) 400 300 200 T0-46 100 35 30 25 20 T0-46 15 10 T0-92 5 T0-92 0 0 0 400 800 1200 1600 0 2000 AIR VELOCITY (FPM) 1200 1600 2000 C002 Figure 2. Thermal Time Constant 120 PERCENT OF FINAL VALUE (%) 120 PERCENT OF FINAL VALUE (%) 800 AIR VELOCITY (FPM) Figure 1. Thermal Resistance Junction To Air 100 80 60 40 20 0 ±20 100 80 T0-46 60 T0-92 40 20 0 ±20 0 2 4 6 8 TIME (MINUTES) 0 2 Figure 3. Thermal Response In Still Air 4 6 TIME (SEC) C003 8 C004 Figure 4. Thermal Response In Stirred Oil Bath 4.4 160 4.2 TYPICAL IOUT = 2.0 mA 4.0 140 QUIESCENT CURRENT (A) SUPPLY VOLTAGE (V) 400 C001 3.8 3.6 3.4 TYPICAL IOUT = 1.0 mA 3.2 3.0 TYPICAL IOUT = 0 A or 50 A 2.8 120 100 80 60 40 20 2.6 2.4 0 ±75 ±25 25 75 125 TEMPERATURE (C) 175 ±75 Figure 5. Minimum Supply Voltage vs Temperature ±25 25 75 TEMPERATURE (C) C005 125 175 C006 Figure 6. Quiescent Current vs Temperature (in Circuit of Figure 14) Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 11 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com 200 2.0 180 1.5 TEMPERATURE ERROR (C) QUIESCENT CURRENT (A) Typical Characteristics (continued) 160 140 120 100 80 0.5 ±0.5 ±2.0 25 75 125 LM35A ±1.0 40 ±25 LM35A TYPICAL 0.0 ±1.5 175 TEMPERATURE (C) LM35 ±75 25 ±25 75 125 TEMPERATURE (C) C007 Figure 7. Quiescent Current vs Temperature (in Circuit of Full-Range Centigrade Temperature Sensor) 175 C008 Figure 8. Accuracy vs Temperature (Ensured) 1600 2.5 LM35D 2.0 1400 LM35C 1.5 1200 1.0 Noise (nV/Hz) TEMPERATURE ERROR (C) 1.0 60 ±75 LM35 LM35CA 0.5 TYPICAL 0.0 ±0.5 LM35CA 1000 ±1.0 800 600 400 ±1.5 LM35C 200 ±2.0 0 ±2.5 ±75 ±25 25 75 125 10 175 TEMPERATURE (C) 100 1k 10k FREQUENCY (Hz) C009 100k C010 Figure 10. Noise Voltage Figure 9. Accuracy vs Temperature (Ensured) VIN (V) 6 4 2 0 0.6 VOUT (V) 0.4 0.2 0 -0.2 -20 -10 0 10 20 30 40 50 TIME (SEC) 60 C011 Figure 11. Start-Up Response 12 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 7 Detailed Description 7.1 Overview The LM35-series devices are precision integrated-circuit temperature sensors, with an output voltage linearly proportional to the Centigrade temperature. The LM35 device has an advantage over linear temperature sensors calibrated in Kelvin, as the user is not required to subtract a large constant voltage from the output to obtain convenient Centigrade scaling. The LM35 device does not require any external calibration or trimming to provide typical accuracies of ± ¼ °C at room temperature and ± ¾ °C over a full −55°C to 150°C temperature range. Lower cost is assured by trimming and calibration at the wafer level. The low output impedance, linear output, and precise inherent calibration of the LM35 device makes interfacing to readout or control circuitry especially easy. The device is used with single power supplies, or with plus and minus supplies. As the LM35 device draws only 60 μA from the supply, it has very low self-heating of less than 0.1°C in still air. The LM35 device is rated to operate over a −55°C to 150°C temperature range, while the LM35C device is rated for a −40°C to 110°C range (−10° with improved accuracy). The temperature-sensing element is comprised of a delta-V BE architecture. The temperature-sensing element is then buffered by an amplifier and provided to the VOUT pin. The amplifier has a simple class A output stage with typical 0.5-Ω output impedance as shown in the Functional Block Diagram. Therefore the LM35 can only source current and it's sinking capability is limited to 1 μA. 7.2 Functional Block Diagram A1 1.38 VPTAT +VS nR1 Q1 Q2 10E + A2 E VOUT = 10 mV/°C V0 .125 R2 nR1 8.8 mV/°C i R2 7.3 Feature Description 7.3.1 LM35 Transfer Function The accuracy specifications of the LM35 are given with respect to a simple linear transfer function: VOUT = 10 mv/°F × T where • • VOUT is the LM35 output voltage T is the temperature in °C (1) 7.4 Device Functional Modes The only functional mode of the LM35 is that it has an analog output directly proportional to temperature. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 13 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com 8 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 8.1 Application Information The features of the LM35 make it suitable for many general temperature sensing applications. Multiple package options expand on it's flexibility. 8.1.1 Capacitive Drive Capability Like most micropower circuits, the LM35 device has a limited ability to drive heavy capacitive loads. Alone, the LM35 device is able to drive 50 pF without special precautions. If heavier loads are anticipated, isolating or decoupling the load with a resistor is easy (see Figure 12). The tolerance of capacitance can be improved with a series R-C damper from output to ground (see Figure 13). When the LM35 device is applied with a 200-Ω load resistor as shown in Figure 16, Figure 17, or Figure 19, the device is relatively immune to wiring capacitance because the capacitance forms a bypass from ground to input and not on the output. However, as with any linear circuit connected to wires in a hostile environment, performance is affected adversely by intense electromagnetic sources (such as relays, radio transmitters, motors with arcing brushes, and SCR transients), because the wiring acts as a receiving antenna and the internal junctions act as rectifiers. For best results in such cases, a bypass capacitor from VIN to ground and a series R-C damper, such as 75 Ω in series with 0.2 or 1 μF from output to ground, are often useful. Examples are shown in Figure 13, Figure 24, and Figure 25. HEAVY CAPACITIVE LOAD, WIRING, ETC. + 2k LM35 TO A HIGH-IMPEDANCE LOAD OUT v Figure 12. LM35 with Decoupling from Capacitive Load HEAVY CAPACITIVE LOAD, WIRING, ETC. + LM35 0.01 PF BYPASS OPTONAL v OUT TO A HIGH-IMPEDANCE LOAD 75 1 PF Figure 13. LM35 with R-C Damper 14 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 8.2 Typical Application 8.2.1 Basic Centigrade Temperature Sensor +VS (4 V to 20 V) OUTPUT 0 mV + 10.0 mV/°C LM35 Figure 14. Basic Centigrade Temperature Sensor (2 °C to 150 °C) 8.2.1.1 Design Requirements Table 1. Design Parameters PARAMETER VALUE Accuracy at 25°C ±0.5°C Accuracy from –55 °C to 150°C ±1°C Temperature Slope 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 TEMPERATURE ERROR (C) 2.0 LM35 1.5 1.0 0.5 LM35A TYPICAL 0.0 ±0.5 LM35A ±1.0 ±1.5 LM35 ±2.0 ±75 ±25 25 75 TEMPERATURE (C) 125 175 C008 Figure 15. Accuracy vs Temperature (Ensured) Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 15 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com 8.3 System Examples 5V 5V + + 6.8 k 5% 200 1% OUT LM35 HEAT VOUT = 10 mV/°C (TAMBIENT = 1 °C) FINS FROM + 2 °C TO + 40 °C VOUT = 10 mV/°C (TAMBIENT = 1 °C) FROM + 2 °C TO + 40 °C v + HEAT FINS LM35 OUT 200 1% v TWISTED PAIR 200 1% v TWISTED PAIR Figure 16. Two-Wire Remote Temperature Sensor (Grounded Sensor) 6.8 k 5% OR 10K RHEOSTAT FOR GAIN ADJUST 200 1% Figure 17. Two-Wire Remote Temperature Sensor (Output Referred to Ground) +VS 5V + 0.01 PF BYPASS OPTIONAL LM35 LM35 TWISTED PAIR 2k 1% + OUT 200 1% VOUT 2k 1% v 1N914 18 k 10% Figure 18. Temperature Sensor, Single Supply (−55° to +150°C) 16 VOUT = 10 mV/°C (TAMBIENT = 10 °C) FROM t 5 °C TO + 40 °C 200 1% Figure 19. Two-Wire Remote Temperature Sensor (Output Referred to Ground) Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 System Examples (continued) + 5 V TO + 30 V +VS (6 V to 20 V) 4.7 k LM35 2N2907 IN + OUT OUT LM35 402 1% v 62.5 0.5% OFFSET ADJUST 45.5 kO 1% LM317 ADJ 10 kO 1% 50 VOUT = +1 mV/°F 26.4 kO 1% 18 kO LM385-1.2 1 MO 1% Figure 20. 4-To-20 mA Current Source (0°C to 100°C) 5V Figure 21. Fahrenheit Thermometer 9V 1k LM35 LM35 100 A, 60 mV FULLSCALE LM3852.5 Figure 22. Centigrade Thermometer (Analog Meter) 25.5 k Figure 23. Fahrenheit Thermometer, Expanded Scale Thermometer (50°F to 80°F, for Example Shown) Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 17 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com System Examples (continued) 5V 5V + + 3.9 k OUT LM35 IN REF ADC08031 1.28 V GND SERIAL DATA OUTPUT LM35 16 k OUT ADC0804 GND 100k 75 75 + + LM385 + ENABLE 10 k 1 PF INTR 1k CLOCK FB PARALLEL DATA OUTPUT 8 IN VREF 0.64 V CS RD WR GND + 2k 1 PF GND Figure 24. Temperature to Digital Converter (Serial Output) (128°C Full Scale) Figure 25. Temperature to Digital Converter (Parallel TRI-STATE Outputs for Standard Data Bus to μP Interface) (128°C Full Scale) 6V °F 20 k 67 68 69 70 71 72 73 6.8 k 74 75 76 77 78 79 80 81 82 83 84 85 1k 86 7V + 20 PF fOUT 20 LEDs 18 10 10 18 4N28 + 8 100 k LM3914 1 2 3 4 5 LM3914 6 7V + HEAT FINS 7 8 9 1.2 k* 1 2 3 4 5 7 LM35 6 7 8 9 NC 7V 6 GND 0.01 PF OUT VC 200* + 1 PF 3 1 VA LM35 5 LM131 1.5 k* 100 k VB 499* 499* 1.5 k* 1 k* RC 1k RB 1k 47 1 PF 2 4 12 k 0.01 PF FULL SCALE ADJ 5k LOW TEMPCO RA 1k *=1% or 2% film resistor Trim RB for VB = 3.075 V Trim RC for VC = 1.955 V Trim RA for VA = 0.075 V + 100 mV/°C ×Tambient Example, VA = 2.275 V at 22°C Figure 26. Bar-Graph Temperature Display (Dot Mode) 18 Figure 27. LM35 With Voltage-To-Frequency Converter and Isolated Output (2°C to 150°C; 20 to 1500 Hz) Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 9 Power Supply Recommendations The LM35 device has a very wide 4-V to 5.5-V power supply voltage range, which makes it ideal for many applications. In noisy environments, TI recommends adding a 0.1 μF from V+ to GND to bypass the power supply voltage. Larger capacitances maybe required and are dependent on the power-supply noise. 10 Layout 10.1 Layout Guidelines The LM35 is easily applied in the same way as other integrated-circuit temperature sensors. Glue or cement the device to a surface and the temperature should be within about 0.01°C of the surface temperature. The 0.01°C proximity presumes that the ambient air temperature is almost the same as the surface temperature. If the air temperature were much higher or lower than the surface temperature, the actual temperature of the LM35 die would be at an intermediate temperature between the surface temperature and the air temperature; this is especially true for the TO-92 plastic package. The copper leads in the TO-92 package are the principal thermal path to carry heat into the device, so its temperature might be closer to the air temperature than to the surface temperature. Ensure that the wiring leaving the LM35 device is held at the same temperature as the surface of interest to minimize the temperature problem. The easiest fix is to cover up these wires with a bead of epoxy. The epoxy bead will ensure that the leads and wires are all at the same temperature as the surface, and that the temperature of the LM35 die is not affected by the air temperature. The TO-46 metal package can also be soldered to a metal surface or pipe without damage. Of course, in that case the V− terminal of the circuit will be grounded to that metal. Alternatively, mount the LM35 inside a sealedend metal tube, and then dip into a bath or screw into a threaded hole in a tank. As with any IC, the LM35 device and accompanying wiring and circuits must be kept insulated and dry, to avoid leakage and corrosion. This is especially true if the circuit may operate at cold temperatures where condensation can occur. Printed-circuit coatings and varnishes such as a conformal coating and epoxy paints or dips are often used to insure that moisture cannot corrode the LM35 device or its connections. These devices are sometimes soldered to a small light-weight heat fin to decrease the thermal time constant and speed up the response in slowly-moving air. On the other hand, a small thermal mass may be added to the sensor, to give the steadiest reading despite small deviations in the air temperature. Table 2. Temperature Rise of LM35 Due To Self-heating (Thermal Resistance, RθJA) TO, no heat sink TO (1), small heat fin TO-92, no heat sink TO-92 (2), small heat fin SOIC-8, no heat sink SOIC-8 (2), small heat fin TO-220, no heat sink Still air 400°C/W 100°C/W 180°C/W 140°C/W 220°C/W 110°C/W 90°C/W Moving air 100°C/W 40°C/W 90°C/W 70°C/W 105°C/W 90°C/W 26°C/W Still oil 100°C/W 40°C/W 90°C/W 70°C/W — — — Stirred oil 50°C/W 30°C/W 45°C/W 40°C/W — — — — — (Clamped to metal, Infinite heat sink) (1) (2) (24°C/W) (55°C/W) — Wakefield type 201, or 1-in disc of 0.02-in sheet brass, soldered to case, or similar. TO-92 and SOIC-8 packages glued and leads soldered to 1-in square of 1/16-in printed circuit board with 2-oz foil or similar. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 19 LM35 SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 www.ti.com 10.2 Layout Example VIA to ground plane VIA to power plane VOUT +VS N.C. N.C. N.C. N.C. GND N.C. 0.01 µF Figure 28. Layout Example 20 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 LM35 www.ti.com SNIS159E – AUGUST 1999 – REVISED JANUARY 2015 11 Device and Documentation Support 11.1 Trademarks All trademarks are the property of their respective owners. 11.2 Electrostatic Discharge Caution These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 11.3 Glossary SLYZ022 — TI Glossary. This glossary lists and explains terms, acronyms, and definitions. 12 Mechanical, Packaging, and Orderable Information The following pages include mechanical, packaging, and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation. Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM35 21 MECHANICAL DATA NEB0003F www.ti.com PACKAGE OPTION ADDENDUM www.ti.com 8-Oct-2015 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (°C) Device Marking (4/5) LM35AH ACTIVE TO NDV 3 500 TBD Call TI Call TI -55 to 150 ( LM35AH ~ LM35AH) LM35AH/NOPB ACTIVE TO NDV 3 500 Green (RoHS & no Sb/Br) Call TI Level-1-NA-UNLIM -55 to 150 ( LM35AH ~ LM35AH) LM35CAH ACTIVE TO NDV 3 500 TBD Call TI Call TI -40 to 110 ( LM35CAH ~ LM35CAH) LM35CAH/NOPB ACTIVE TO NDV 3 500 Green (RoHS & no Sb/Br) Call TI Level-1-NA-UNLIM -40 to 110 ( LM35CAH ~ LM35CAH) LM35CAZ/LFT4 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM35CAZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type -40 to 110 LM35 CAZ LM35CH ACTIVE TO NDV 3 500 TBD Call TI Call TI -40 to 110 ( LM35CH ~ LM35CH) LM35CH/NOPB ACTIVE TO NDV 3 500 Green (RoHS & no Sb/Br) Call TI Level-1-NA-UNLIM -40 to 110 ( LM35CH ~ LM35CH) LM35CZ/LFT1 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM35CZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type -40 to 110 LM35DH ACTIVE TO NDV 3 1000 TBD Call TI Call TI 0 to 70 ( LM35DH ~ LM35DH) LM35DH/NOPB ACTIVE TO NDV 3 1000 Green (RoHS & no Sb/Br) Call TI | POST-PLATE Level-1-NA-UNLIM 0 to 70 ( LM35DH ~ LM35DH) LM35DM NRND SOIC D 8 95 TBD Call TI Call TI 0 to 100 LM35D M LM35DM/NOPB ACTIVE SOIC D 8 95 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM 0 to 100 LM35D M LM35DMX NRND SOIC D 8 2500 TBD Call TI Call TI 0 to 100 LM35D M LM35DMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM 0 to 100 LM35D M LM35DT NRND TO-220 NEB 3 45 TBD Call TI Call TI 0 to 100 LM35DT LM35DT/NOPB ACTIVE TO-220 NEB 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM 0 to 100 LM35DT Addendum-Page 1 LM35 CAZ LM35 CZ LM35 CZ Samples PACKAGE OPTION ADDENDUM www.ti.com 8-Oct-2015 Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (°C) Device Marking (4/5) LM35DZ OBSOLETE TO-92 LP 3 TBD Call TI Call TI LM35DZ/LFT1 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM35 DZ LM35DZ/LFT4 ACTIVE TO-92 LP 3 2000 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type LM35 DZ LM35DZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS & no Sb/Br) CU SN N / A for Pkg Type 0 to 100 LM35H ACTIVE TO NDV 3 500 TBD Call TI Call TI -55 to 150 ( LM35H ~ LM35H) LM35H/NOPB ACTIVE TO NDV 3 500 Green (RoHS & no Sb/Br) Call TI Level-1-NA-UNLIM -55 to 150 ( LM35H ~ LM35H) LM35 DZ (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. 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Addendum-Page 3 PACKAGE MATERIALS INFORMATION www.ti.com 21-Oct-2014 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant LM35DMX SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 LM35DMX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 21-Oct-2014 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) LM35DMX SOIC D 8 2500 367.0 367.0 35.0 LM35DMX/NOPB SOIC D 8 2500 367.0 367.0 35.0 Pack Materials-Page 2 MECHANICAL DATA NDV0003H H03H (Rev F) www.ti.com IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. 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