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MLX90614KSF-ABC 데이터시트(PDF) 3 Page - Melexis Microelectronic Systems

부품명 MLX90614KSF-ABC
상세설명  Single and Dual Zone Infra Red Thermometer in TO-39
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제조업체  MELEXIS [Melexis Microelectronic Systems]
홈페이지  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

MLX90614KSF-ABC 데이터시트(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 40
Data Sheet
Rev 003
03/Oct/2007
3 Table of Contents
1 Functional diagram......................................................................................................................................................................................1
2 General Description ....................................................................................................................................................................................1
General description (continued) .....................................................................................................................................................................2
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 ...........................................................................................................................................................................................13
8.4 SMBus compatible 2-wire protocol ....................................................................................................................................................13
8.4.1 Functional description ................................................................................................................................................................13
8.4.2 Differences with the standard SMBus specification (reference [1]) ...........................................................................................14
8.4.3 Detailed description....................................................................................................................................................................14
8.4.4 AC specification for SMBus .......................................................................................................................................................15
8.4.5 Bit transfer..................................................................................................................................................................................16
8.4.6 Commands.................................................................................................................................................................................16
8.4.7 Sleep Mode ................................................................................................................................................................................17
8.5 PWM ..................................................................................................................................................................................................18
8.5.1 Single PWM format ....................................................................................................................................................................18
8.5.2 Extended PWM format ...............................................................................................................................................................19
8.5.3 Customizing the temperature range for PWM output.................................................................................................................20
8.6 Switching Between PWM and SMBus communication......................................................................................................................21
8.6.1 PWM is enabled .........................................................................................................................................................................21
8.6.2 Request condition ......................................................................................................................................................................21
8.6.3 PWM is disabled ........................................................................................................................................................................21
8.7 Computation of ambient and object temperatures.............................................................................................................................22
8.7.1 Ambient temperature Ta ............................................................................................................................................................22
8.7.2 Object temperature To ...............................................................................................................................................................22
8.7.3 Calculation flow ..........................................................................................................................................................................22
8.8 Thermal relay.....................................................................................................................................................................................24
9 Unique Features........................................................................................................................................................................................25
10 Performance Graphs...............................................................................................................................................................................26
10.1 Temperature accuracy of the MLX90614 ........................................................................................................................................26
10.2 Field Of View (FOV) ........................................................................................................................................................................28
11 Applications Information..........................................................................................................................................................................30
11.1 Use of the MLX90614 thermometer in SMBus configuration ..........................................................................................................30
11.2 Use of multiple MLX90614s in SMBus configuration.......................................................................................................................30
11.3 PWM output operation.....................................................................................................................................................................31
11.4 Thermal alert / thermostat ...............................................................................................................................................................31
11.5 High voltage source operation.........................................................................................................................................................32
12 Application Comments ............................................................................................................................................................................33
13 Standard information regarding manufacturability of Melexis products with different soldering processes............................................35
14 ESD Precautions.....................................................................................................................................................................................35
15 FAQ.........................................................................................................................................................................................................36
16 Package Information ...............................................................................................................................................................................38
16.1 MLX90614XXA ................................................................................................................................................................................38
16.2 MLX90614XXC................................................................................................................................................................................39
17 References..............................................................................................................................................................................................40
18 Disclaimer ...............................................................................................................................................................................................40


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