chinese直男口爆体育生外卖, 99久久er热在这里只有精品99, 又色又爽又黄18禁美女裸身无遮挡, gogogo高清免费观看日本电视,私密按摩师高清版在线,人妻视频毛茸茸,91论坛 兴趣闲谈,欧美 亚洲 精品 8区,国产精品久久久久精品免费

電子發(fā)燒友App

硬聲App

0
  • 聊天消息
  • 系統(tǒng)消息
  • 評(píng)論與回復(fù)
登錄后你可以
  • 下載海量資料
  • 學(xué)習(xí)在線(xiàn)課程
  • 觀(guān)看技術(shù)視頻
  • 寫(xiě)文章/發(fā)帖/加入社區(qū)
會(huì)員中心
創(chuàng)作中心

完善資料讓更多小伙伴認(rèn)識(shí)你,還能領(lǐng)取20積分哦,立即完善>

3天內(nèi)不再提示
創(chuàng)作
電子發(fā)燒友網(wǎng)>電子資料下載>類(lèi)型>參考設(shè)計(jì)>EVAL-CN0395-ARDZ屏蔽

EVAL-CN0395-ARDZ屏蔽

2021-04-09 | pdf | 2.2MB | 次下載 | 2積分

資料介紹

This version (14 Jan 2021 05:31) was approved by Robin Getz.The Previously approved version (03 Jan 2021 21:46) is available.Diff

EVAL-CN0395-ARDZ Shield

The circuit below is an arduino compatible, single supply 16-bit volatile organic compound detector using a metal oxide sensor. It uses ADN8810 to precisely control the current running through the sensor to get to within the 1% voltage accuracy needed for the heating element of the sensor.

CN0395 measures indoor air quality by utilizing a Metal Oxide Sensor to detect gases composed of volatile organic compounds. The sensor is composed of a heating resistor and a sensing resistor. When the sense resistor is heated its value changes as a function of the concentrations of different gasses.

Connectors and Jumper Configurations

{{:resources:eval:user-guides:eval-adicup360:hardware:cn0397:cn0397_chip_select.jpg|

Headers

P1

The current output DAC, ADN8810, has an output voltage compliance that needs to be met to maintain a linear current output. This can be done by putting a jumper on position 2 and 3 which attaches the ENCOMP pin of the part to ground for output voltages up to 2V.

For higher output voltages that 2V, tie the ENCOMP pin to +5V to maintain the output stability of the part.

P2

P2 header selects the current path from the current output DAC, ADN8810. It is populated across RH+ by default.

Silkscreen Current Path Pins
RCAL1 71.5Ω 1 & 2
RCAL1 10.0Ω 3 & 4
RH+ Heating Resistor 5 & 6

Sensor

CN0395 has the TGS8100 on board as default. Using a different set of sensors require a recalculation and replacement of the sense resistors that sets the full scale current for the device. Provision for alphasense sensors or with similar footprint is available and a screw terminal is also in place for any other types of sensors.

The calculation for the sense resistor and placement of the correct sense resistors are crucial to proper operation of the board to not violate absolute maximum ratings of the sensors

Recommended Sensors

If you are using a different sensor, you will need to wire in the appropriate signals into the board via the screw terminal (P8). This also means that you will have to remove the TGS8100 sensor that comes on the board by default. Below is a table of how to use P8 to input other sensors.

P8

Silkscreen Name Pin Number Description
RH+ Pin 1 Postive Pin of Heating Resistor
AGND Pin 2 Negative Pin of Heating Resistor
RS+ Pin 3 Postive Pin of Sensing Resistor
AGND Pin 4 Negative Pin of Sensing Resistor

Spacers

Spacers that could cater various surface mount and through hole packages are available on the board to make some modifications on the board easier.

Resistor spacers, R17_SPACER and R19_SPACER, are used to hold the sense resistors to select the maximum output current of the ADN8810. Changing these maximum output current of the ADN8810 allows the board to cater multiple types of sensor that use up to 300mA of current for measurements.

Sense resistors (RSN) can be calculated by using the formula below:

RSN= 4.096/(10* Full Scale Current)

Button

Pressing push button S2 allows the user to do a hard reset of the temperature and humidity sensor SHT30.

Schematic, PCB Layout, Bill of Materials

EVAL-CN0395-ARDZ Design & Integration Files

  • Schematics
  • PCB Layout
  • Bill of Materials
  • Allegro Project

Software

下載該資料的人也在下載 下載該資料的人還在閱讀
更多 >

評(píng)論

查看更多

下載排行

本周

  1. 1AN-1267: 使用ADSP-CM408F ADC控制器的電機(jī)控制反饋采樣時(shí)序
  2. 1.41MB   |  3次下載  |  免費(fèi)
  3. 2AN158 GD32VW553 Wi-Fi開(kāi)發(fā)指南
  4. 1.51MB   |  2次下載  |  免費(fèi)
  5. 3AN148 GD32VW553射頻硬件開(kāi)發(fā)指南
  6. 2.07MB   |  1次下載  |  免費(fèi)
  7. 4AN-1154: 采用恒定負(fù)滲漏電流優(yōu)化ADF4157和ADF4158 PLL的相位噪聲和雜散性能
  8. 199.28KB   |  次下載  |  免費(fèi)
  9. 5AN-960: RS-485/RS-422電路實(shí)施指南
  10. 380.8KB   |  次下載  |  免費(fèi)
  11. 6EE-249:使用VisualDSP在A(yíng)DSP-218x DSP上實(shí)現(xiàn)軟件疊加
  12. 60.02KB   |  次下載  |  免費(fèi)
  13. 7AN-1111: 使用ADuCM360/ADuCM361時(shí)的降低功耗選項(xiàng)
  14. 306.09KB   |  次下載  |  免費(fèi)
  15. 8AN-904: ADuC7028評(píng)估板參考指南
  16. 815.82KB   |  次下載  |  免費(fèi)

本月

  1. 1ADI高性能電源管理解決方案
  2. 2.43 MB   |  450次下載  |  免費(fèi)
  3. 2免費(fèi)開(kāi)源CC3D飛控資料(電路圖&PCB源文件、BOM、
  4. 5.67 MB   |  138次下載  |  1 積分
  5. 3基于STM32單片機(jī)智能手環(huán)心率計(jì)步器體溫顯示設(shè)計(jì)
  6. 0.10 MB   |  130次下載  |  免費(fèi)
  7. 4使用單片機(jī)實(shí)現(xiàn)七人表決器的程序和仿真資料免費(fèi)下載
  8. 2.96 MB   |  44次下載  |  免費(fèi)
  9. 5美的電磁爐維修手冊(cè)大全
  10. 1.56 MB   |  24次下載  |  5 積分
  11. 6如何正確測(cè)試電源的紋波
  12. 0.36 MB   |  18次下載  |  免費(fèi)
  13. 7感應(yīng)筆電路圖
  14. 0.06 MB   |  10次下載  |  免費(fèi)
  15. 8萬(wàn)用表UT58A原理圖
  16. 0.09 MB   |  9次下載  |  5 積分

總榜

  1. 1matlab軟件下載入口
  2. 未知  |  935121次下載  |  10 積分
  3. 2開(kāi)源硬件-PMP21529.1-4 開(kāi)關(guān)降壓/升壓雙向直流/直流轉(zhuǎn)換器 PCB layout 設(shè)計(jì)
  4. 1.48MB  |  420062次下載  |  10 積分
  5. 3Altium DXP2002下載入口
  6. 未知  |  233088次下載  |  10 積分
  7. 4電路仿真軟件multisim 10.0免費(fèi)下載
  8. 340992  |  191367次下載  |  10 積分
  9. 5十天學(xué)會(huì)AVR單片機(jī)與C語(yǔ)言視頻教程 下載
  10. 158M  |  183335次下載  |  10 積分
  11. 6labview8.5下載
  12. 未知  |  81581次下載  |  10 積分
  13. 7Keil工具M(jìn)DK-Arm免費(fèi)下載
  14. 0.02 MB  |  73810次下載  |  10 積分
  15. 8LabVIEW 8.6下載
  16. 未知  |  65988次下載  |  10 積分