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MLX90614KSF-BCC-000-TU データシート(PDF) 3 Page - Melexis Microelectronic Systems

部品番号 MLX90614KSF-BCC-000-TU
部品情報  Single and Dual Zone Infra Red Thermometer in TO-39
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メーカー  MELEXIS [Melexis Microelectronic Systems]
ホームページ  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

MLX90614KSF-BCC-000-TU データシート(HTML) 3 Page - Melexis Microelectronic Systems

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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


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