VK36W2D SOP8高灵敏度电容式双通道两点液体水位检测芯片上电即可检测水位_水位感应检测芯片_单片机开发

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/628dde079ca87e087f5d34b7/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/628dde079ca87e087f5d34b7/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc2 sc0">Rev</span><span class="_ _0"></span><span class="fc2 sc0">. 1.00</span><span class="_ _1"> </span><span class="fc2 sc0">PB</span><span class="_ _2"> </span><span class="fc2 sc0">July 05, 2018</span></div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls0 ws0">特性</div><div class="t m0 x3 h4 y3 ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">工作电压：2.2V~5.5V</span></div><div class="t m0 x3 h4 y4 ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">低待机电流10uA/3V</span></div><div class="t m0 x3 h4 y5 ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">低压重置(LVR)电压2.0V</span></div><div class="t m0 x3 h4 y6 ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">4S自动校准功能</span></div><div class="t m0 x3 h4 y7 ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">可靠的触摸按键检测</span></div><div class="t m0 x3 h4 y8 ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">4S检测无水进入待机模式</span></div><div class="t m0 x3 h4 y9 ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">上电前有水也可以可靠的检测</span></div><div class="t m0 x3 h4 ya ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">具备抗电压波动功能</span></div><div class="t m0 x3 h4 yb ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff2">可用金属探针接触水检测，也可在水箱外</span></div><div class="t m0 x4 h4 yc ff2 fs2 fc0 sc0 ls0 ws0">面不接触水检测</div><div class="t m0 x3 h5 yd ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff4">q q:361,888,5898</span></div><div class="t m0 x3 h5 ye ff3 fs2 fc0 sc0 ls0 ws0">•<span class="_ _3"> </span><span class="ff4">电：188, 2466, 2436</span></div><div class="t m0 x5 h3 y2 ff2 fs1 fc0 sc0 ls0 ws0">概述</div><div class="t m0 x5 h4 yf ff2 fs2 fc0 sc0 ls1 ws0">VK36W2D具有<span class="ls0">2个<span class="_ _4"></span></span>触摸<span class="ls2">检测通道<span class="ls3">，<span class="ls4">可用来</span></span></span></div><div class="t m0 x5 h4 y10 ff2 fs2 fc0 sc0 ls4 ws0">检测2个点的水位<span class="ls5">。该芯片具有较高的集</span></div><div class="t m0 x5 h4 y11 ff2 fs2 fc0 sc0 ls5 ws0">成度，仅<span class="ls4">需极少的外部组件便可实现触摸</span></div><div class="t m0 x5 h4 y12 ff2 fs2 fc0 sc0 ls4 ws0">按键的检<span class="ls0">测。</span></div><div class="t m0 x5 h4 y13 ff2 fs2 fc0 sc0 ls6 ws0">提供了2路输出功能<span class="ls7">。芯片内部采用特殊</span></div><div class="t m0 x5 h4 y14 ff2 fs2 fc0 sc0 ls7 ws0">的集成电路，具有高电源电压抑制<span class="ls5">比，</span></div><div class="t m0 x5 h4 y15 ff2 fs2 fc0 sc0 ls5 ws0">可减少按键检测错误的发生，此特性<span class="ls4">保</span></div><div class="t m0 x5 h4 y16 ff2 fs2 fc0 sc0 ls4 ws0">证在不利环境条件的应用中芯片仍具有<span class="ls0">很</span></div><div class="t m0 x5 h4 y17 ff2 fs2 fc0 sc0 ls0 ws0">高的可靠性。</div><div class="t m0 x5 h4 y18 ff2 fs2 fc0 sc0 ls7 ws0">此触摸芯片具有自动校准功能，低<span class="ls5">待机</span></div><div class="t m0 x5 h4 y19 ff2 fs2 fc0 sc0 ls5 ws0">电流，抗电压波动等特性，为检测单点</div><div class="t m0 x5 h4 y1a ff2 fs2 fc0 sc0 ls5 ws0">水位<span class="ls4">的应用提供了一种简单而又有效的<span class="ls0">实</span></span></div><div class="t m0 x5 h4 y1b ff2 fs2 fc0 sc0 ls0 ws0">现方法。</div><div class="t m0 x2 h3 y1c ff2 fs1 fc0 sc0 ls0 ws0">应用领域</div><div class="t m0 x2 h4 y1d ff5 fs2 fc0 sc0 ls0 ws0">•<span class="_"> </span><span class="ff2">雾化器，加湿器</span></div><div class="t m0 x2 h4 y1e ff5 fs2 fc0 sc0 ls0 ws0">•<span class="_"> </span><span class="ff2">咖啡机，饮水机</span></div><div class="t m0 x2 h4 y1f ff5 fs2 fc0 sc0 ls0 ws0">•<span class="_"> </span><span class="ff2">鱼缸，浮水器</span></div><div class="t m0 x2 h4 y20 ff5 fs2 fc0 sc0 ls0 ws0">•<span class="_"> </span><span class="ff2">浴缸，解决，医疗类设备</span></div><div class="t m0 x2 h4 y21 ff5 fs2 fc0 sc0 ls0 ws0">•<span class="_"> </span><span class="ff4">KPP141<span class="ff6">7</span></span></div><div class="c x6 y22 w2 h6"><div class="t m0 x0 h7 y23 ff7 fs3 fc1 sc0 ls0 ws0">Rev.1.00</div></div><div class="c x7 y22 w3 h6"><div class="t m0 x0 h7 y23 ff7 fs3 fc1 sc0 ls0 ws0">2018-07-05</div></div><div class="t m0 x8 h3 y24 ff8 fs1 fc0 sc1 ls0 ws0">VK36W2D</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/628dde079ca87e087f5d34b7/bg2.jpg"><div class="t m0 x2 h8 y25 ff9 fs1 fc0 sc0 ls0 ws0">引脚图</div><div class="t m0 x2 h8 y26 ff9 fs1 fc0 sc0 ls0 ws0">极限参数</div><div class="t m0 x2 h4 y27 ff5 fs2 fc0 sc0 ls0 ws0">电源供应电压<span class="ffa">................V</span></div><div class="t m0 x9 h9 y28 ffa fs4 fc0 sc0 ls0 ws0">SS</div><div class="t m0 xa ha y27 ffa fs2 fc0 sc0 ls0 ws1"> -0.3V~V</div><div class="t m0 xb h9 y28 ffa fs4 fc0 sc0 ls0 ws0">SS</div><div class="t m0 xc ha y27 ffa fs2 fc0 sc0 ls0 ws0">+<span class="ffb">5</span>.5V</div><div class="t m0 x2 h4 y29 ff5 fs2 fc0 sc0 ls0 ws0">储存温度<span class="ffa">...................................<span class="_ _5"> </span>-50˚C~125˚C</span></div><div class="t m0 x2 h4 y2a ff5 fs2 fc0 sc0 ls0 ws0">端口输入电压<span class="ffa">..............<span class="_ _5"> </span>V</span></div><div class="t m0 xd h9 y2b ffa fs4 fc0 sc0 ls0 ws0">SS</div><div class="t m0 xe ha y2c ffa fs2 fc0 sc0 ls0 ws0"> -0.3V~V</div><div class="t m0 xf h9 y2b ffa fs4 fc0 sc0 ls0 ws0">DD</div><div class="t m0 x10 ha y2c ffa fs2 fc0 sc0 ls0 ws0"> +0.3V</div><div class="t m0 x2 h4 y2d ff5 fs2 fc0 sc0 ls0 ws0">工作温度<span class="ffa">......................................-40˚C~85˚C</span></div><div class="t m0 x11 ha y2e ffa fs2 fc0 sc0 ls0 ws0">I</div><div class="t m0 x12 h9 y2f ffa fs4 fc0 sc0 ls0 ws0">OL</div><div class="t m0 x13 h4 y30 ff5 fs2 fc0 sc0 ls0 ws0">总电流<span class="ffa ws2"> .............................................<span class="_ _4"></span><span class="ws0">80mA</span></span></div><div class="t m0 x11 ha y31 ffa fs2 fc0 sc0 ls0 ws0">I</div><div class="t m0 x12 h9 y32 ffa fs4 fc0 sc0 ls0 ws0">OH</div><div class="t m0 x14 h4 y33 ff5 fs2 fc0 sc0 ls0 ws0">总电流<span class="ffa ws3"> ............................................<span class="ws0">-80mA</span></span></div><div class="t m0 x11 h4 y34 ff5 fs2 fc0 sc0 ls0 ws0">总功耗<span class="ffa">..................................................<span class="_ _6"></span><span class="ls8 ws4">500mW</span></span></div><div class="t m0 x2 hb y35 ff5 fs5 fc0 sc0 ls9 ws5">注：这里只强调额定功率<span class="_ _0"></span>，超过极限参数所规定的范围将对芯片造成损害，无法预期芯片在上述标示范</div><div class="t m0 x15 hb y36 ff5 fs5 fc0 sc0 ls0 ws0">围外的工作状态，而且若长期在标示范围外的条件下工作，可能影响芯片的可靠性。</div><div class="t m0 x2 hc y37 ffc fs2 fc0 sc0 ls0 ws0">VK36<span class="ffd">W<span class="ffe">2<span class="fff">D</span></span></span></div><div class="t m0 x16 hd y38 ff10 fs3 fc0 sc0 ls0 ws0">引脚名称<span class="_ _7"> </span>输入<span class="_ _8"> </span><span class="ffc">/<span class="_ _8"> </span></span>输出<span class="_ _9"> </span>说明</div><div class="t m0 x17 he y39 ff11 fs3 fc0 sc0 ls0 ws0">1-<span class="ff12">CR</span></div><div class="t m0 x18 hf y3a ff13 fs3 fc0 sc0 ls0 ws0">输入</div><div class="t m0 x19 hf y3b ff14 fs3 fc0 sc0 ls0 ws0">基准电容</div><div class="t m0 x17 he y3c ff11 fs3 fc0 sc0 ls0 ws0">2-<span class="ff15">CS</span></div><div class="t m0 x18 hf y3d ff16 fs3 fc0 sc0 ls0 ws0">输入</div><div class="t m0 x19 hf y3e ff16 fs3 fc0 sc0 ls0 ws0">外接对地电容（1nF-47nF）调整灵敏度</div><div class="t m0 x17 he y3f ff11 fs3 fc0 sc0 ls0 ws0">3-<span class="ff12">Q0</span></div><div class="t m0 x1a hf y40 ff13 fs3 fc0 sc0 ls0 ws0">输出</div><div class="t m0 x19 hf y41 ff14 fs3 fc0 sc0 ls0 ws0">直接输出，上电输出高</div><div class="t m0 x17 he y42 ff11 fs3 fc0 sc0 ls0 ws0">4-<span class="ff15">VSS</span></div><div class="t m0 x1a hf y43 ff16 fs3 fc0 sc0 ls0 ws0">电源负<span class="ff13"> </span></div><div class="t m0 x19 hf y44 ff16 fs3 fc0 sc0 ls0 ws0">电源负</div><div class="t m0 x17 he y45 ff11 fs3 fc0 sc0 ls0 ws0">5-<span class="ff15">Q1</span></div><div class="t m0 x18 hf y46 ff16 fs3 fc0 sc0 ls0 ws0">输出</div><div class="t m0 x19 hf y47 ff16 fs3 fc0 sc0 ls0 ws0">直接输出，上电输出<span class="ff14">高</span></div><div class="t m0 x17 he y48 ff11 fs3 fc0 sc0 ls0 ws0">6-<span class="ff17">VDD</span></div><div class="t m0 x18 hf y49 ff16 fs3 fc0 sc0 ls0 ws0">电源正<span class="_ _a"> </span>电源正</div><div class="t m0 x2 h8 y4a ff10 fs1 fc0 sc0 ls0 ws0">引脚说明</div><div class="t m0 x1b h10 y4b ff18 fs6 fc1 sc0 ls0 ws0">VK36<span class="ff19">W</span>2D</div><div class="t m0 x1c h10 y4c ff1a fs6 fc1 sc0 ls0 ws0">8SOP-A</div><div class="t m0 x1d h11 y4d ff1b fs6 fc1 sc0 lsa ws0">CR</div><div class="t m0 x1d h11 y4e ff1c fs6 fc1 sc0 lsa ws6">CS</div><div class="t m0 x1d h11 y4f ff1b fs6 fc1 sc0 lsa ws0">Q1</div><div class="t m0 x1d h11 y50 ff1c fs6 fc1 sc0 lsa ws6">VSS</div><div class="t m0 x1e h11 y51 ff1c fs6 fc1 sc0 lsa ws6">TP1</div><div class="t m0 x1e h11 y52 ff1b fs6 fc1 sc0 ls0 ws0">TP<span class="ff1c">0</span></div><div class="t m0 x1e h11 y53 ff1c fs6 fc1 sc0 lsb ws7">VDD</div><div class="t m0 x1e h11 y54 ff1c fs6 fc1 sc0 lsa ws0">Q<span class="ff1b">0</span></div><div class="t m2 x1f h12 y55 ff1d fs7 fc1 sc0 ls0 ws0">1</div><div class="t m2 x1f h12 y56 ff1d fs7 fc1 sc0 ls0 ws0">2</div><div class="t m2 x1f h12 y57 ff1d fs7 fc1 sc0 ls0 ws0">3</div><div class="t m2 x1f h12 y58 ff1d fs7 fc1 sc0 ls0 ws0">4</div><div class="t m2 x20 h12 y59 ff1d fs7 fc1 sc0 ls0 ws0">8</div><div class="t m2 x20 h12 y5a ff1d fs7 fc1 sc0 ls0 ws0">7</div><div class="t m2 x20 h12 y5b ff1d fs7 fc1 sc0 ls0 ws0">6</div><div class="t m2 x20 h12 y5c ff1d fs7 fc1 sc0 ls0 ws0">5</div><div class="t m0 x17 he y5d ff15 fs3 fc0 sc0 ls0 ws0">7<span class="ff11">-<span class="ff17">TP</span></span>0</div><div class="t m0 x18 hf y5e ff16 fs3 fc0 sc0 ls0 ws0">输<span class="ff14">入<span class="_ _b"> </span>触摸按键输入</span></div><div class="t m0 x17 he y5f ff15 fs3 fc0 sc0 ls0 ws0">8<span class="ff11">-</span>TP1</div><div class="t m0 x18 hf y60 ff13 fs3 fc0 sc0 ls0 ws0">输入</div><div class="t m0 x19 hf y61 ff16 fs3 fc0 sc0 ls0 ws0">触摸按键输入</div><div class="c x6 y22 w2 h6"><div class="t m0 x0 h7 y23 ff7 fs3 fc1 sc0 ls0 ws0">Rev.1.00</div></div><div class="c x7 y22 w3 h6"><div class="t m0 x0 h7 y23 ff7 fs3 fc1 sc0 ls0 ws0">2018-07-05</div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>

VK36W2D SOP8高灵敏度电容式双通道两点液体水位检测芯片 上电即可检测水位

VK36W2D SOP8高灵敏度电容式双通道两点液体水位检测芯片上电即可检测水位