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