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MAXIM數(shù)據(jù)采集系統(tǒng)的方案

2013-08-20


基本特性:

MAX1358/MAX1359數(shù)據(jù)采集系統(tǒng)內(nèi)置二極管結(jié)溫度傳感器,,利用二極管的I-V特性測量溫度,,為了提高測量精度,Maxim器件將校準(zhǔn)系數(shù)存儲(chǔ)在數(shù)據(jù)采集系統(tǒng)內(nèi)部,,修正讀數(shù)誤差,,以獲得最高精度,。

溫度讀數(shù)對(duì)應(yīng)于二極管的實(shí)際結(jié)溫,對(duì)于連續(xù)監(jiān)測溫度變化的系統(tǒng),可以直接使用溫度讀數(shù),。對(duì)于需要獲得封裝外部溫度的應(yīng)用,,需要對(duì)讀數(shù)進(jìn)行調(diào)整才能得到更準(zhǔn)確的數(shù)值。

方案描述:
  
The serial port that will be used to communicate with the EV kit needs to be set. From the applications File menu, select the Connect menu item. The MAX1358 has a number of jumpers configured by default to quickly start using the EV kit.

MAX1358 Data-Acquisition System

♦ Graphical User Interface (GUI) for EV Kit Control
♦ MAXQ2000 Microcomputer
64kB (32k x 16) Flash Memory
2kB (1k x 16) Data RAM
♦ UART-to-RS-232 Physical Interface
♦ Serial Memories
2kB IIC EEPROM
4kB SPI™ EEPROM
512 Bytes 1-Wire
♦ Internal and External Temperature Sensors
♦ MAX1358 Internal Temperature Sensors
External Transistor Temperature Sensor
External Linear Temperature Sensor
External Thermistor
♦ Piezo Buzzer

參照原理圖:


                                原理圖1


                              原理圖2


                                   原理圖3


參考PCB圖:



                                 PCB圖1


                                     PCB圖2

                                        PCB圖3



 



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