标签: mcp6sx2

ThischaptercontainsgeneralinformationthatwillbeusefultoknowbeforeusingtheMCP6SX2PGAThermistorPICtail™DemoBoard.Itemsdiscussedinthischapterinclude:•DocumentLayout•ConventionsUsedinthisGuide•RecommendedReading•TheMicrochipWebSite•CustomerSupport•DocumentRevisionHistoryMCP6SX2PGAThermistorPICtailDemoBoardUser’sGuide2006MicrochipTechnologyInc.DS51517BNotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices:MicrochipproductsmeetthespecificationcontainedintheirparticularMicrochipDataSheet.Microchipbelievesthatitsfamilyofproductsisoneofthemostsecurefamiliesofitskindonthemarkettoday,whenusedintheintendedmannerandundernormalconditions.Therearedishonestandpossiblyillegalmethodsusedtobreachthecodeprotectionfeature.Allofthesemethods,toourknowledge,requireusingtheMicrochipproductsinamanneroutsidetheoperatingspecificatio……

本应用笔记将讨论温度测量的两种设计，设计均使用精密的、负温度系数（NegativeTemperatureCoefficient，NTC）热敏电阻。热敏电阻放置在电阻型分压器中，以便线性化从温度至电压的转换。在转换到数字域进行处理之前，电压由MCP6SX2（MCP6S22或MCP6S92）可编程增益放大器（ProgrammableGainAmplifier，PGA）在模拟域进行处理。AN897使用MCP6SX2PGA的热敏电阻温度检测关键的的参数规格包括[1,2]：作者：KumenBlake和StevenBibleMicrochipTechnologyInc.+25°C的电阻：10k±1%B25/85容许误差：±0.75%简介工作温度范围：-40°C至+125°C（短时间内能到……