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MLX90614ESF-DBC-000-TU Folha de dados(PDF) 3 Page - Melexis Microelectronic Systems |
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MLX90614ESF-DBC-000-TU Folha de dados(HTML) 3 Page - Melexis Microelectronic Systems |
3 / 51 page MLX90614 family Single and Dual Zone Infra Red Thermometer in TO-39 3901090614 Page 3 of 52 Data Sheet Rev 009 June 29, 2015 3 Table of Contents 1 Functional diagram ..................................................................................................................................................................................... 1 2 General Description .................................................................................................................................................................................... 1 3 Table of Contents ....................................................................................................................................................................................... 3 4 Glossary of Terms ...................................................................................................................................................................................... 4 5 Maximum ratings ........................................................................................................................................................................................ 4 6 Pin definitions and descriptions................................................................................................................................................................... 5 7 Electrical Specifications .............................................................................................................................................................................. 6 7.1 MLX90614Axx ..................................................................................................................................................................................... 6 7.2 MLX90614Bxx, MLX90614Dxx ............................................................................................................................................................ 8 8 Detailed description .................................................................................................................................................................................. 10 8.1 Block diagram ................................................................................................................................................................................... 10 8.2 Signal processing principle ................................................................................................................................................................ 10 8.3 Block description ............................................................................................................................................................................... 11 8.3.1 Amplifier..................................................................................................................................................................................... 11 8.3.2 Supply regulator and POR ......................................................................................................................................................... 11 8.3.3 EEPROM ................................................................................................................................................................................... 11 8.3.4 RAM........................................................................................................................................................................................... 14 8.4 SMBus compatible 2-wire protocol .................................................................................................................................................... 14 8.4.1 Functional description ................................................................................................................................................................ 14 8.4.2 Differences with the standard SMBus specification (reference [1]) ............................................................................................. 15 8.4.3 Detailed description.................................................................................................................................................................... 15 8.4.4 Bit transfer ................................................................................................................................................................................. 16 8.4.5 Commands ................................................................................................................................................................................ 17 8.4.6 SMBus communication examples .............................................................................................................................................. 17 8.4.7 Timing specification.................................................................................................................................................................... 18 8.4.8 Sleep Mode................................................................................................................................................................................ 19 8.4.9 MLX90614 SMBus specific remarks........................................................................................................................................... 20 8.5 PWM ................................................................................................................................................................................................. 21 8.5.1 Single PWM format .................................................................................................................................................................... 22 8.5.2 Extended PWM format ............................................................................................................................................................... 23 8.5.3 Customizing the temperature range for PWM output .................................................................................................................. 24 8.6 Switching Between PWM / Thermal relay and SMBus communication .............................................................................................. 26 8.6.1 PWM is enabled......................................................................................................................................................................... 26 8.6.2 Request condition ...................................................................................................................................................................... 26 8.6.3 PWM is disabled ........................................................................................................................................................................ 26 8.7 Computation of ambient and object temperatures.............................................................................................................................. 27 8.7.1 Ambient temperature Ta ............................................................................................................................................................ 27 8.7.2 Object temperature To ............................................................................................................................................................... 27 8.7.3 Calculation flow.......................................................................................................................................................................... 28 8.8 Thermal relay .................................................................................................................................................................................... 30 9 Unique Features ....................................................................................................................................................................................... 31 10 Performance Graphs .............................................................................................................................................................................. 32 10.1 Temperature accuracy of the MLX90614 ......................................................................................................................................... 32 10.1.1 Standard accuracy ................................................................................................................................................................... 32 10.1.2 Medical accuracy ..................................................................................................................................................................... 33 10.1.3 Temperature reading dependence on VDD ................................................................................................................................ 33 10.2 Field Of View (FOV) ........................................................................................................................................................................ 35 11 Applications Information.......................................................................................................................................................................... 39 11.1 Use of the MLX90614 thermometer in SMBus configuration............................................................................................................ 39 11.2 Use of multiple MLX90614s in SMBus configuration........................................................................................................................ 39 11.3 PWM output operation..................................................................................................................................................................... 40 11.4 Thermal alert / thermostat................................................................................................................................................................ 40 11.5 High voltage source operation ......................................................................................................................................................... 41 12 Application Comments ............................................................................................................................................................................ 42 13 Standard information regarding manufacturability of Melexis products with different soldering processes ............................................... 44 14 ESD Precautions .................................................................................................................................................................................... 44 15 FAQ........................................................................................................................................................................................................ 45 16 Package Information............................................................................................................................................................................... 47 16.1 MLX90614xxA ................................................................................................................................................................................. 47 16.2 MLX90614xCC ................................................................................................................................................................................ 47 16.3 MLX90614xCF ................................................................................................................................................................................ 48 16.4 MLX90614xCH ................................................................................................................................................................................ 48 16.5 MLX90614xCI ................................................................................................................................................................................. 49 16.6 Part marking.................................................................................................................................................................................... 49 16.7 Operating and storage humidity range............................................................................................................................................. 49 17 Table of figures....................................................................................................................................................................................... 50 18 References ............................................................................................................................................................................................. 51 19 Disclaimer............................................................................................................................................................................................... 51 |
Nº de peça semelhante - MLX90614ESF-DBC-000-TU |
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Descrição semelhante - MLX90614ESF-DBC-000-TU |
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