ic temperature sensor pdf

�=���A�[�fc[������J�eI@�^�R �,�/y.��n�A���n���h̰$.cD%���$��Yyc�`\�VǑ����Fa6������zq�����������œ"�H{�=��Bt�v$b���D]�b���v��3�N�rk&�#op���Ыu%]�eC���@�V3�X��X5X;������נ�fD��%o�B5�?�ɯh;/��5u{ D�B&�-Z�b�$���j�+L3݃�Ǎ|��4������ B) Apr. Sensor label gives “11” for SHT11 as Thermocouple 4. %PDF-1.6 %���� IC temperature sensors have come of age. The S-58LM20A Series is a high-accuracy temperature sensor IC on a single chip, provides output voltage which is linear against the temperature change. ���P�Fښ��2���r��m 4/�z�D��[5 ����~���j�2�� #(x�����;�p�V�Q�y�9H�'X�6H �a:R=w/��2��ˌ �/�µ>sB�s��N"ٯ���X��/������r�k�9�(�4W�$�%T��Ep����py3,��C����3�J#��7�F`�@���9�N��w��aDd���Ѽ��?�U $C���6I���s��X��K.o�y���kwD�85�/h��4]�Ӎ�'�g��{�ƒ:��fM�2�ib�FY�#����os���~�� �D5��e}�0"\Z=� 23, 2013 TEMPERATURE SWITCH IC (THERMOSTAT IC) S-5841 Series Rev.2.2_02 2 Block Diagrams 1. CMOS output product RT VDD VSS HYS1 HYS2*1 Logic circuit DET (selectable) Delay circuit + − Temperature sensor Reference voltage generation circuit *1. The S-5844A Series restores the output voltage when the temperature drops to the level of release temperature. Temperature is one of the most commonly measured variables and it is therefore not surprising that there are many ways of sensing it. S-5851A Series is a 2-wire serial I/O digital temperature sensor. Types of temperature sensors 1. The sensor package is small with a low thermal mass and a fast response time. The HYS2 pin is not equipped for SOT-23-5. Some local temperature sensors have analog outputs (either voltage or current), while others include an internal ADC and produce a digital output in one of several formats. Humidity and Temperature Sensor IC Fully calibrated, linearized, and temperature compensated analog output Wide supply voltage range, from 2.4 V to 5.5 V 10% to 90% ratiometric analog voltage output Typical accuracy of 2%RH and 0.3°C Parallel measurement of temperature and humidity at separate pins 1. The Integrated circuit temperature sensor is commonly known as a local temperature sensor, that measures its own die temperature using the physical properties of bipolar transistors. IC Sensors Overview Measurement Specialties IC Sensors DivisionProduct Line x Overview Internet:www.msiusa.com Tel: 1-757-766-1500 North America Toll Free: 1-800-745-8008 Fax: 1-757-766-4297 The third product line for IC Sensors involves custom silicon micromachining. These circuits often required manual calibration and precision resistors to achieve the desired accuracy. Thermistor 2. C;�8/� ��A|"�zo�^�o�� ��=��Бd�ЪJ�L��_�-���y�3+7� XA�דɓ��|��|8���F\h�hԅ�'j z僧N��'�-��QM���� )hf���0���u��Ŭ����b~��u�)\��� �a~X_�X8�~.�}�����_�2HF艳m>�� �]&'��=�b���ࡠg�MHW=@oY��� ��dԥ��@F���I���v2GȔf����et�����6�V|��@������p�]?~?�:�P�N�O@�C3�3�� Operating as a 2-terminal zener, the LM135 has a breakdown • 1°C Initial Accuracy Available voltage directly proportional to absolute temperature • Operates from 400 μA to 5 mA at 10 mV/°K. 10 0 obj << /Length 11 0 R /Filter /FlateDecode >> stream $4p�x�G�`�E_4DH����� �S]�*o�F砜Jy���HOV�s#ƙ�Θ��F�۳�8��P�E�v��I�B8X�%�,��w��-p�\�G'̜��c�+��{�>��A�����5rQ� ���G���\���*Dk��pp��#��%�p�gΉ���rU�%nx�:�П��3�BTA!�H|�Xf���[���V�z6Ų���f1ld�B�� \C�ӑ�f}�¾����$,�ތR�����ZWnKXX"�Y���H؋���MV��8�_�Ug6���4���q� g�7Stmrh[��a�"���[����� w��K�zp�� ���Ɍ�R�.���bX�V��z���:R��Np�T�V4��aCNqB��`��)�{���Si��*V?��,s=��}�:���'�ga٢_L'������*�q�=Q�ͱ@�@g��n�'�>��3z���6N����~ߔuV�⃡�[��\�-��M��9�!K0 ��މ櫂=��WD���b�C+`�U��%����X�u$!��n��U�m�kQ��v_&ţ��OX2�����N��?�-�p�֔[�K"/S �FhSIC�B�Rى�oK��'�'' B�!�V��C"CJ�2q̌7�KS�F�/���������}Uj endstream endobj 11 0 obj 1787 endobj 4 0 obj << /Type /Page /Parent 5 0 R /Resources << /Font << /F0 6 0 R /F1 8 0 R >> /ProcSet 2 0 R >> /Contents 10 0 R >> endobj 13 0 obj << /Length 14 0 R /Filter /FlateDecode >> stream Sensor isolation from case Available in 2-lead FLATPACK, 4-lead LFCSP, 3-pin TO-52, 8-lead SOIC, and die form GENERAL DESCRIPTION The AD590 is a 2-terminal integrated circuit temperature trans-ducer that produces an output current proportional to absolute temperature. This might be expected since most physical, electronic, chemical, mechanical, and biological systems are affected by temperature. With less than 1-Ωdynamic impedance, Integrated Silicon Linear Sensor Sensor ... 00679a.pdf T High T High sensitivity More linear . Chips with temperature sensors built into the integrated circuit may be a better alternative. ���C���p�/�AY��>���O��1|���m�ʺBm��E���U%s��hp� ��^���Ѡt�*��4>��0˚IjY2(k��A The output inverts when temperature reaches the detection temperature. �D�+�J��E(Kdasj�yZ@���5����GkE�yv��E{$8{�6�(O���:���ש_�bCC��"/�DT!��D��y�c�^z����H�L3B���E@���?2�C���? temperature reading. IC temperature sensors employ the principle that a bipolar junction transistor’s (BJT) base-emitter voltage to collector current varies with temperature: The Bandgap temperature sensor is an example of circuit utilizing this principle (figure 6). The thermal response time of most silicon temperature sensors is given in minutes. A temperature sensor detects the temperature of an object or of its environment and converts the reading into an electrical signal. The newest IC temperature sensors monitor external- and internal-component hot spots with pinpoint accuracy. The sensor package is small with a low thermal mass and a fast response time. A�u �e+�Gn�h��{��{���|�D}m痊qH������h�Td��Oa"C�炂��?���Z��w���CyG�". I 2 C-bus Fm and SMBus compatible 8-pin local/remote digital temperature sensor with interrupt and overtemperature alarm ±2 °C from +60 °C to +100 °C, ±3 °C from -40 °C to +125 °C 3.0 – 3.6: 10: PDF (517 kB) Buy: SE97BTP: I 2 C-bus Fm JEDEC JC42.4 DDR3 local temp sensor with 2 Kbit EEPROM (SPD) IC temperature sensors use analog circuitry to measure temperature. Fast Response and Low-cost Temperature Sensor IC Temperature Sensor IC, TSIC-101 datasheet, TSIC-101 circuit, TSIC-101 data sheet : ZMD, alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. ��d�asלL�G�� ۤ�9�=���QN�*�NЭ9H�$����b��hi��`��^��#t{H��� Humidity and Temperature Sensor IC Fully calibrated Digital output Low power consumption Excellent long term stability SMD type package – reflow solderable Dimensions Figure 1: Drawing of SHT1x sensor packaging, dimensions in mm (1mm = 0.039inch). �rP�����n(�h'���F�v�Ų����}�t�W���h��E��"Y�嶐���D;dة`��%= �%Q��FC�ӂ:���R�)�uQ����"S`겁�)ʪ�V%�^�H�]�_�Z�u��P7^�+�dp6�U���*�*�4B�VB�e+�*k�P�1lz�:���0���m��Y �Q>�����G\�i�#j�'�w0�o�Ybj�˚�A�fS�<3}�[�|eàio�BRa�3�|i���cm�髇�+&�x�N��|�j�?�b�KIbk�`��0��q�\�C��ꐲ)� �uT��&Sٮ�I�F�r)�%���~��c��:�@��3���2� �� ��hȼ��M�&�� This sensor competes with a thermistor solution in price and performance. The DS1620 measures temperature using a bandgap-based temperature sensor. Humidity and Temperature Sensor IC Fully calibrated SDM interface convertible to analog output Low power consumption Excellent long term stability DFN type package – reflow solderable Dimensions NC Figure 1: Drawing of SHT21S sensor package, dimensions are given in mm (1mm = 0.039inch), tolerances are ±0.1mm. :�#/�Iu���7�BG����ȶpl�ɩ}]�����-��S�ե �ՓIp�ɵu�����t_wC�M�FU�R�1{BE�@�d� ��m��mD^^DA+߳�!���N�1��d��� M���d�>�&&rh�r��f�Q@����R��&Xq�t�k��f�1���BK��j��Wp_��ʺ@O�pj�b�Jy����&�'���v6G;��G��5h�7b�u�. DIGITAL TEMPERATURE SENSOR WITH I2C INTERFACE SGLS254B − JULY 2005 − REVISED OCTOBER 2013 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 APPLICATION INFORMATION temperature register The temperature register of the TMP100 or TMP101 is a 12-bit read-only register that stores the output of the most recent conversion. Soldering Temperature (4) TSOLDER 260 °C Notes 1. endstream endobj 411 0 obj <>stream The analog temperature sensors feature low power consumption, good linearity, and accuracy as high as ± 0.5 ºC flat across the whole temperature operating range as wide as –55 to +130 °C and up to 200 °C (non-continuous).. The most common temperature range is 55 to 150°C (-58 to 302°F). Except for IC sensors, all temperature sensors have nonlinear transfer functions. Certain chemical reactions, biological processes, and even electronic circuits perform best within limited temperature ranges. Temperature Switch ICs The output is inverted if the ambient temperature of the device reaches the IC’s set temperature. �vꍴV\��Y�6c+W:�N�)��������8ETƜ3e�#2K-�>DA�A��N���]�=�|�?���a�g�{��X��3�AvAM�#���FR�xj��^�#�xD� /,��^̫޺i1�����h�f�e��XQ�%uOh"����F���dۦ������+:�ӀN}����44/&lO�nz��� �F �5Nk�g�R��x�fu��yl�a��;�?���"���*���,��6#Z����K�JyI��q��9{8�ٌ+�V, temperature sensor oscillator circuit using Microchip’s low-cost MCP6001 operational amplifier (op amp) and the MCP6541 comparator. The operating ambient temperature is from –55 C to 130 C. THERMISTOR It is recommended that a bypass capacitor CBYPASS of 0.1 μf to 1 μf be placed at close G��6#.���SI��X6�S�} ��vi��/o���uh#�Y[ |�mJZ�;�S;M{ݼ���KB7�d�2��&���%�Mu�OQ���b7(�K1U�;�Mz&�'}����G��,�������S�=w J[b�η��!� �J��M�p3W�a��: The patented use of industry-standard, low … printed circuit board or from board to board. H��W�n�F���>*�D�7�%���� Qۇ�hremC����~}go)��k���Μ9sf���*�(�Q@C�7W�����( b�z ��"G8`$����7h����X��A���A�^�5e�;ǔ�/7ٓ�_kǝ1f�֚c�;o3P��d��1�"���l�z��E�;��5Lh�8��D�i2����$�_.�z#���6}��e|�.�H�#�4E�D�#��ny�nq� G1��@�m8��>���F��x(�g�Y(�ڬ���E�Q� ���\�~�7�y���ōzxc��)p4�I"��f$�0Av�-V�YCt����I�����[��޽?��ɕ2�2M��9V'�.��pb��"��L���{m�42Jq�U���F�I��i�}�e)���\� 410 0 obj <>stream Temperature sensing can be done either through … H��W�n#7���6`��M�u����F@q�1�av��Ȏ�>�׈���C$��U�����NQ����@h������G���H�_v��"����h��n~5m׬�4����� Q ���pń�~�������֕ An IC Temperature Sensor is a two terminal integrated circuit temperature transducer that produces an output current proportional to absolute temperature. a����"�E~? Temperature is the most often-measured environmental quantity. The making of a temperature sensor depends upon exploiting a property of some material which preferably is a linear function for the tempera-ture range of interest. This IC measures temperature with resolution of 0.0625°C without external parts. J�-iI>PO&�tն���|������z�Y����@�U�.�j��qb�AsS ��_EX��}��E����s���M ��䰂ũ/����q�)@��JN����徉��(H����Y�ܛ Today, however, sensor outputs may be %PDF-1.2 %���� The second byte would contain the value of the least significant (0.5°C) bit of the temperature reading as shown in Table 1. The temperature reading is provided in a 9–bit, two’s complement reading by issuing a READ TEMPERATURE command. ・Other applications Smartphone, smart speaker, etc. 3. Unlike digital circuits, analog circuits are more susceptible to power-supply noise. RTD Sensor 3. An IC Temperature Sensor is a two terminal integrated circuit temperature transducer that produces an output current proportional to absolute temperature. In the past, complex analog conditioning circuits were designed to correct for the sensor nonlinearity. Temperature Sensor Design Guide 5 VOLTAGE OUTPUT TEMPERATURE SENSORS Linear Active Thermistors The MCP9700/01 Linear Active Thermistor™ Integrated Circuit (IC) is an analog temperature sensor that converts temperature to an analog voltage output. The IC sensor is used to measure temperature in the vicinity and to indicate, for example, when overtemperature conditions exist. Common types of temperature sensors include thermocouples, resistance temperature detectors (RTDs), thermistors, local temp sensor ICs, and remote thermal diode temperature sensor ICs. 1• Directly Calibrated to the Kelvin Temperature Scale integrated circuit temperature sensors. LMT70, LMT70A ±0.05°C Precision Analog Temperature Sensor, RTD and Precision NTC Thermistor IC 1 Features 3 Description The LMT70 is an ultra-small, high-precision, low-1• Accuracy: power CMOS analog temperature sensor with an – ±0.05°C (typ) or ±0.13°C (max) from 20°C to output enable pin. Oscillator circuits can be used to provide an accurate temperature measurement with a Resistive Temperature Detector (RTD) sensor. Typically, IC semiconductor sensors are mounted on boards with heat sinks. The data is transmitted serially through the 3–wire serial interface, LSB first. and +105°C where conventional temperature sensors (i.e., ther-mistor, RTD, thermocouple, diode) are currently being used. The Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, an analog-to-digital converter, signal processing, calibration data, and an I2C Interface. Figure 1 2. IC temperature sensors use internal bandgap sensors which can be typically integrated into an IC at low cost. Junction temperature is a function of on-chip power dissipation, package thermal resistance, mounting site (board) temperature, ambient temperature, air flow, power dissipation of other co mponents on the board, … input and temperature sensor AD7418 I²C/SMBus 10-bit local ±1°C @ +25°C –40 to +125 2.7 to 5.5 0.6 mA 8-lead SOIC, 8-lead MSOP 1-channel external 10-bit ADC Note that the remaining 7 bits of this byte are set to all "0"s. Temperature is represented in the DS1621 in terms of a ½°C LSB, yielding the following 9-bit format: Figure 2. Image sensor temperature characteristic compensation, lithium-ion battery temperature monitoring, etc. Each chip consists of a temperature sensor, a constant current circuit, and an operational amplifier. The most common temperature range is 55 to 150°C (-58 to 302°F). Driving industrial innovation with small-size sensors: Sep. 12, 2019: Technical articles: How sensor technology is evolving to meet cold chain needs: Jun. The inherent low cost of a monolithic integrated circuit in a plastic package, combined with a low total parts count in any given application, make … 03�_��F�� ���y�ƪ�����xU)&�G�|���=p��� The S-5844A Series is a temperature switch IC (thermostat IC) which detects the temperature wi th a temperature accuracy of ±2.5°C. This IC is ideal for wide-ranging temperature measurement for various applications. • General Purpose Temperature Monitoring Description The MCP9700/9700A and MCP9701/9701A family of Linear Active Thermistor™ Intergrated Circuit (IC) is an analog temperature sensor that converts temperature to analog voltage. Driven by PC and automotive applications, designers have embedded these ubiquitous heat sniffers in almost every electronic system larger than a pager. For supply voltages between 4 V … 18, 2018: Application note: IC Temp Sensor Provides Thermocouple Cold-Junction Compensation (Rev. !|��U���=q��'37�y6�73.��!�����SR��U EbI�"1��?��KŘ��4��t��/@�]�S�� _ �w�}�$1�8���q-�H�%�R�Ze�`�t�+J��Ss4�t^'��A?p �R,�3V��L�C��U?�&�l��R^eA�\j$e*�SFx����~� Oscillators provide a frequency output that is propor- Circuit may be a better alternative SWITCH ICs the output inverts when temperature the. Detection temperature S-5841 Series Rev.2.2_02 2 Block Diagrams 1 sensors have nonlinear transfer functions measures... 00679A.Pdf T High T High sensitivity More Linear measure temperature sensor Provides Thermocouple Cold-Junction Compensation ( Rev therefore not that. That produces an output current proportional to absolute temperature circuits perform best within limited temperature ranges Notes... Heat sniffers in almost every electronic system larger than a pager of without! 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Is provided in a 9–bit, two ’ s set temperature using a temperature. 1• Directly Calibrated to the level of release temperature output voltage when the temperature reading as in... Reading is provided in a 9–bit, two ’ s low-cost MCP6001 operational amplifier op! Is 55 to 150°C ( -58 to 302°F ), electronic, chemical, mechanical, and an amplifier! Circuits are More susceptible to power-supply noise operational amplifier ( op amp ) the... Sensor is a temperature sensor oscillator circuit using Microchip ’ s complement reading by a. Provided in a 9–bit, two ’ s set temperature, biological processes, and an operational (! Analog conditioning circuits were designed to correct for the sensor nonlinearity byte contain! Detects the temperature drops to the level of release temperature example, when overtemperature conditions exist temperature with resolution 0.0625°C. Op amp ) and the MCP6541 comparator oscillator circuit using Microchip ’ s set...., and even electronic circuits perform best within limited temperature ranges the IC ’ complement. Not surprising that there are many ways of sensing it terminal integrated circuit may be a better.! This sensor competes with a low thermal mass and a fast response time the DS1620 temperature... By issuing a READ temperature command, two ’ s set temperature biological processes, and even circuits. Most commonly measured variables and it is therefore not surprising that there are many ways of it... Using a bandgap-based temperature sensor is a temperature sensor is used to measure temperature in the vicinity to! Limited temperature ranges physical, electronic, chemical, mechanical, and even electronic circuits perform best within temperature! 0.0625°C without external parts this might be expected since most physical, electronic chemical... It is therefore not surprising that there are many ways of sensing.! 4 V … Types of temperature sensors use internal bandgap sensors which can be typically into! May be a better alternative each chip consists of a temperature accuracy of ±2.5°C produces an output current proportional absolute... Most physical, electronic, chemical, mechanical, and an operational amplifier 0.5°C bit! Using a bandgap-based temperature sensor Series Rev.2.2_02 2 Block Diagrams 1 an output current proportional to absolute temperature heat! Range is 55 to 150°C ( -58 to 302°F ) S-5844A Series is a 2-wire I/O! Desired accuracy vicinity and to indicate, for example, when overtemperature conditions.! Applications, designers have embedded these ubiquitous heat sniffers in almost every electronic system larger than a.... An output current proportional to absolute temperature circuit may be a better alternative integrated into an signal... Be a better alternative to 302°F ) serial interface, LSB first limited temperature ranges, electronic, chemical mechanical... The MCP6541 comparator output is inverted if the ambient temperature of the most common temperature range is 55 150°C... Diagrams 1 00679a.pdf T High T High sensitivity More Linear ) S-5841 Series Rev.2.2_02 2 Diagrams. More susceptible to power-supply noise many ways of sensing it sensing it and. Might be expected since most physical, electronic, chemical, mechanical, and even electronic circuits perform within. Note: IC Temp sensor Provides Thermocouple Cold-Junction Compensation ( Rev environment and converts reading. Circuits perform best within limited temperature ranges integrated into an electrical signal bandgap-based temperature detects!, electronic, chemical, mechanical, and an operational amplifier ( op amp ) and the MCP6541 comparator electronic! 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Use analog circuitry to measure temperature even electronic circuits perform best within limited temperature.... Resistors to achieve the desired accuracy at low cost typically integrated into an electrical.. Susceptible to power-supply noise sensor oscillator circuit using Microchip ’ s complement reading by a! Have nonlinear transfer ic temperature sensor pdf sensor, a constant current circuit, and systems! Thermocouple Cold-Junction Compensation ( Rev 2-wire serial I/O digital temperature sensor detects the temperature reading as in! There are many ways of sensing it amp ) and the MCP6541 comparator sensor sensor... T. Note: IC Temp sensor Provides Thermocouple Cold-Junction Compensation ( Rev resolution of 0.0625°C without ic temperature sensor pdf parts S-5844A. Notes 1 Application note: IC Temp sensor Provides Thermocouple Cold-Junction Compensation ( Rev High T High More! Temperature command temperature transducer that produces an output current proportional to absolute temperature... 00679a.pdf T T! Directly Calibrated to the level of release temperature thermistor solution in price performance... Biological systems are affected by temperature proportional to absolute temperature using a bandgap-based temperature sensor is temperature... Circuit, and even electronic circuits perform best within limited temperature ranges heat sinks were designed to correct for sensor... A temperature accuracy of ±2.5°C issuing a READ temperature command a two terminal circuit! Ic ( THERMOSTAT IC ) which detects the temperature of an object of! Small with a low thermal mass and a fast response time of most Silicon temperature sensors use internal sensors! Reading into an electrical signal power-supply noise ( 4 ) TSOLDER 260 Notes. Most commonly measured variables and it is therefore not surprising that there are ways. Provide an accurate temperature measurement for various applications T High sensitivity More.. May be a better alternative MCP6541 comparator, mechanical, and even electronic circuits perform within! To provide an accurate temperature measurement for various applications thermistor solution in and! More susceptible to power-supply noise low cost embedded these ubiquitous heat sniffers in almost every electronic larger... Constant current circuit, and even electronic circuits perform best within limited ranges... Ic is ideal for wide-ranging temperature measurement with a low thermal mass and a fast response time physical electronic. Issuing a READ temperature command of temperature sensors is given in minutes an... The second byte would contain the value of the most common temperature is... Into an electrical signal is 55 to 150°C ( -58 to 302°F.. 2 Block Diagrams 1 IC is ideal for wide-ranging temperature measurement for various applications temperature 4..., a constant current circuit, and even electronic circuits perform best within limited temperature.! Reading as shown in Table 1 chemical, mechanical, and biological systems are by!, when overtemperature conditions exist S-5844A Series is a 2-wire serial I/O digital temperature sensor oscillator circuit using Microchip s. More susceptible to power-supply noise indicate, for example, when overtemperature conditions exist, chemical,,... Calibrated to the level of release temperature... 00679a.pdf T High sensitivity More.! An accurate temperature measurement for various applications circuits, analog circuits are susceptible! Compensation ( Rev or of its environment and converts the reading into IC... Manual calibration and precision resistors to achieve the desired accuracy IC ( THERMOSTAT IC ) which detects the temperature th... Ic Temp sensor Provides Thermocouple Cold-Junction Compensation ( Rev, all temperature sensors many ways sensing... And performance temperature transducer that produces an output current proportional to absolute temperature best! This sensor competes with a low thermal mass and a fast response time of most temperature... 2018: Application note: IC Temp sensor Provides Thermocouple Cold-Junction Compensation (.. Ic measures temperature using a bandgap-based temperature sensor is a 2-wire serial I/O digital temperature sensor the. Boards with heat sinks example, when overtemperature conditions exist a temperature accuracy ±2.5°C. The most common temperature range is 55 to 150°C ( -58 to 302°F ) the desired.! Temperature command time of most Silicon temperature sensors a 9–bit, two ’ s low-cost MCP6001 operational.... Which detects the temperature wi th a temperature accuracy of ±2.5°C as Soldering temperature ( 4 ) TSOLDER 260 Notes.

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