<p>国内优秀的信号链芯片及其解决方案提供商苏州纳芯微电子股份有限公司<span lang="EN-US">(</span>以下简称“纳芯微”<span lang="EN-US">)</span>宣布推出高性价比三通道数字隔离器<span lang="EN-US">NIRS31</span>及<span lang="EN-US">RS-485</span>接口隔离芯片<span lang="EN-US">NIRS485</span>。<span lang="EN-US">NIRS31/485</span>采用创新的<span lang="EN-US">Adaptive OOK®</span>电容隔离技术，具有低辐射噪声、高抗干扰性，适用于各类对成本敏感的应用场合，如电力电表、工业<span lang="EN-US">BMS</span>、楼宇自动化等。</p>
<p><strong><span>小体积，高耐压</span></strong></p>
<p><span lang="EN-US">NIRS31/NIRS485</span>具有典型值<span lang="EN-US">150kV/</span>μ<span lang="EN-US">s</span>的瞬态抗扰度、<span lang="EN-US">6KV</span>的浪涌耐压，更易通过系统级浪涌测试，并减少外围保护器件。<span lang="EN-US">4.9mm</span>×<span lang="EN-US">3.9mm</span>的<span lang="EN-US">SSOP16</span>小封装，使其更适用于高集成度方案，帮助工程师大幅节省<span lang="EN-US">PCB</span>尺寸和布板空间。<span lang="EN-US">NIRS31/NIRS485</span>现已通过<span lang="EN-US">CQC</span>及<span lang="EN-US">UL</span>认证，隔离耐压达<span lang="EN-US">3kVrms</span>，可满足各种系统安规需求。此外，纳芯微从芯片设计、晶圆制作到封装测试全部国产化，保证了供应的稳定性。</p>
<p><img alt="小体积高耐压，纳芯微推出RS-485接口专用隔离芯片" data-entity-type="file" data-entity-uuid="b489ae80-76f9-4aab-9196-732817836375" src="http://new.eetrend.com/files/2021-05/wen_zhang_/100112639-205787-1.png&…; /></p>
![http://new.eetrend.com/files/2021-05/wen_zhang_/100112639-205787-1.png&…](http://new.eetrend.com/files/2021-05/wen_zhang_/100112639-205787-1.png"){kind=link}
<p><strong><span>更简易，更节能</span></strong></p>
<p>与分立高速光耦隔离方案相比，<span lang="EN-US">NIRS31</span>集成度更高，数据速率达<span lang="EN-US">1Mbps</span>，在满足性能指标的同时节省了更多成本。与<span lang="EN-US">485</span>接收器加光耦的分立方案相比，<span lang="EN-US">NIRS485</span>简单易用，使其不仅节省了电路板尺寸，也大幅节省了客户的物料管理成本。</p>
<p><img alt="小体积高耐压，纳芯微推出RS-485接口专用隔离芯片" data-entity-type="file" data-entity-uuid="823390dd-8ca4-41a6-8fd4-f9af3f880956" src="http://new.eetrend.com/files/2021-05/wen_zhang_/100112639-205788-2.png&…; /></p>
![http://new.eetrend.com/files/2021-05/wen_zhang_/100112639-205788-2.png&…](http://new.eetrend.com/files/2021-05/wen_zhang_/100112639-205788-2.png"){kind=link}
<p><strong><span lang="EN-US">NIRS31</span>产品特性</strong></p>
<ul>
<li>高达<span lang="EN-US">3000Vrms</span>的绝缘耐压</li>
<li>数据速率<span lang="EN-US">DC</span>到<span lang="EN-US">1Mbps</span></li>
<li>供电电源电压：<span lang="EN-US">2.5V</span>至<span lang="EN-US">5.5V </span></li>
<li>高<span lang="EN-US">CMTI(</span>典型值<span lang="EN-US">)</span>： ±<span lang="EN-US">150kV/us </span></li>
<li>芯片级<span lang="EN-US">EMC</span>性能<span lang="EN-US">: HBM</span>：±<span lang="EN-US">6kV </span></li>
<li>浪涌耐压<span lang="EN-US"> >6kV </span></li>
<li>低功耗：<span lang="EN-US">1.5mA/ch (1 Mbps) </span></li>
<li>低传输延时<span lang="EN-US"> <500ns </span></li>
<li>工作温度，<span lang="EN-US">-40</span>℃<span lang="EN-US">~125</span>℃</li>
</ul>
<p><strong><span lang="EN-US">NIRS485</span>产品特性</strong></p>
<ul>
<li>高达<span lang="EN-US">3000Vrms</span>的绝缘耐压</li>
<li>总线侧电源电压：<span lang="EN-US"> 3.0V</span>至<span lang="EN-US">5.5V </span></li>
<li><span lang="EN-US">VDD1</span>电源电压：<span lang="EN-US">2.5V</span>至<span lang="EN-US">5.5V </span></li>
<li>高<span lang="EN-US">CMTI(</span>典型值<span lang="EN-US">)</span>：±<span lang="EN-US">150kV/us </span></li>
<li>较高的系统级<span lang="EN-US">EMC</span>性能：总线引脚符合<span lang="EN-US">IEC61000-4-2</span>±<span lang="EN-US">8kV ESD </span></li>
<li>浪涌耐压<span lang="EN-US"> >6kV </span></li>
<li>故障安全保护接收器</li>
<li>支持<span lang="EN-US">256</span>个收发器</li>
<li>工作温度：<span lang="EN-US">-40</span>℃<span lang="EN-US">~105</span>℃</li>
</ul>
<p><strong><span>免费送样</span></strong></p>
<p><span lang="EN-US">NIRS31/NIRS485</span><span>系列产品均可提供样品，如需申请样片或订购可邮件至<span lang="EN-US">sales@novosns.com</span>。</span></p>
<p><strong>关于纳芯微</strong></p>
<p>苏州纳芯微电子股份有限公司是国内领先的信号链芯片及其解决方案提供商，聚焦传感器与数字隔离两大产品方向。纳芯微电子专注于高性能集成电路芯片的设计、开发、生产和销售，为客户提供一站式系统解决方案。如需了解更多信息，敬请访问<span lang="EN-US"><a href="http://www.novosns.com">www.novosns.com</a></span>。</p>