MLX90614系列
单路和双路区
红外温度计TO- 39
3目录
1功能diagram......................................................................................................................................................................................1
2概述....................................................................................................................................................................................1
一般说明(续) .....................................................................................................................................................................2
3表Contents........................................................................................................................................................................................3
4词汇Terms.......................................................................................................................................................................................4
5最大ratings.........................................................................................................................................................................................4
6引脚定义和描述..................................................................................................................................................................5
7电气规格..............................................................................................................................................................................6
7.1 MLX90614Axx .....................................................................................................................................................................................6
7.2 MLX90614Bxx中, MLX90614Dxx...........................................................................................................................................................8
8详细description...................................................................................................................................................................................10
8.1块diagram....................................................................................................................................................................................10
8.2信号处理principle................................................................................................................................................................10
8.3模块描述...............................................................................................................................................................................11
8.3.1放大器.....................................................................................................................................................................................11
8.3.2电源稳压器和POR .........................................................................................................................................................11
8.3.3 EEPROM....................................................................................................................................................................................11
8.3.4 RAM ...........................................................................................................................................................................................13
8.4 SMBus兼容的2线协议....................................................................................................................................................13
8.4.1功能描述................................................................................................................................................................13
8.4.2差异与标准SMBus规范(参考文献[ 1 ] ) ................................... .................................................. ...... 14
8.4.3详细description....................................................................................................................................................................14
8.4.4 AC规范的SMBus .......................................................................................................................................................15
8.4.5位transfer..................................................................................................................................................................................16
8.4.6 Commands.................................................................................................................................................................................16
8.4.7睡眠模式................................................................................................................................................................................17
8.5 PWM..................................................................................................................................................................................................18
8.5.1单PWM格式....................................................................................................................................................................18
8.5.2扩展PWM格式...............................................................................................................................................................19
8.5.3自定义的温度范围内进行PWM output.................................................................................................................20
8.6开关PWM和SMBus之间communication......................................................................................................................21
8.6.1 PWM使能.........................................................................................................................................................................21
8.6.2申请条件......................................................................................................................................................................21
8.6.3 PWM被禁用........................................................................................................................................................................21
8.7计算的环境和对象temperatures.............................................................................................................................22
8.7.1环境温度Ta ............................................................................................................................................................22
8.7.2物体温度要...............................................................................................................................................................22
8.7.3流量计算..........................................................................................................................................................................22
8.8热relay.....................................................................................................................................................................................24
9独特Features........................................................................................................................................................................................25
10性能Graphs...............................................................................................................................................................................26
MLX90614的10.1控温精度........................................................................................................................................26
10.2视场( FOV ) ........................................................................................................................................................................28
11应用Information..........................................................................................................................................................................30
11.1使用MLX90614温度计的SMBus配置..........................................................................................................30
11.2在使用SMBus的多个MLX90614s的configuration.......................................................................................................................30
11.3 PWM输出operation.....................................................................................................................................................................31
11.4热警报/恒温...............................................................................................................................................................31
11.5高电压源operation.........................................................................................................................................................32
12应用评论............................................................................................................................................................................33
13关于迈来芯产品的可制造性与不同的焊接工艺标准信息...................................... ...... 35
14 ESD Precautions.....................................................................................................................................................................................35
15 FAQ.........................................................................................................................................................................................................36
16封装信息...............................................................................................................................................................................38
16.1 MLX90614XXA ................................................................................................................................................................................38
16.2 MLX90614XXC................................................................................................................................................................................39
17 References..............................................................................................................................................................................................40
18免责声明...............................................................................................................................................................................................40
3901090614
修订版003
第40 3
数据表
03/Oct/2007