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</div> <div class="sel_input"> <input type="text" placeholder="请输入型号或关键词" id="key" name="key" value="LM4990MM/NOPB" class="select_inp" autocomplete="off" /> <label class="lbl exact">精确</label> </div> <div class="sel_btn"> <input type="hidden" class="exactprefix" name="exactprefix" value=""> <input type="submit" id="submit" name="submit" value="搜索" /> </div> <div class="drop2"> <div class="box box0"> </div> <div class="box box1"> </div> </div> <div class="search_hot"> <ul> <li><a title="IC芯片现货库存" href="/hotic3/">IC现货库存</a></li> <li><a title="ESP32-C3" href="/esp32-c3/">ESP32-C3</a></li><li><a title="RK3588S" href="/rk3588s/">RK3588S</a></li><li><a title="RV1106G3" href="/rv1106g3/">RV1106G3</a></li><li><a title="AMC1306M05QDWVRQ1" href="/amc1306m05qdwvrq1/">AMC1306M05QDWVRQ1</a></li><li><a title="ATMEGA88PA-MU" href="/atmega88pa-mu/">ATMEGA88PA-MU</a></li> </ul> </div> </div> <div class="sel_btn2"> <a title="发布紧急采购" rel="nofollow" onclick="window.open("/especial-c0/?key=LM4990MM/NOPB")" href="javascript:"><span class="bg_icon shopcart"></span>发布紧急采购</a> </div> </div> </form> <div class="page_pos"> <p class="bg_icon"><a title="首页" href="/">首页</a>><a href="/lm4990mm%2fnopb/">LM4990MM/NOPB</a>>芯片详情</p> </div> <div class="pdf_details"> <div class="det_box2"> <h1>LM4990MM/NOPB_TI/德州仪器_音频放大器博速半导体</h1> <div class="flex"> <div class="imgs"> <div id="showbox"><img alt="LM4990MM/NOPB" src="https://img.114ic.com/imgs/hotic3/202308/221013228779726.jpg" width="768" height="1024" /></div> <p class="warntip">图片仅供参考，请参阅产品规格书</p> <div id="showsum"></div> <p class="showpage"> <a rel="nofollow" title="上一张图片" href="javascript:void(0);" id="showlast"><i class="bg_icon"></i></a> <a rel="nofollow" title="下一张图片" href="javascript:void(0);" id="shownext"><i class="bg_icon"></i></a> </p> <script src="https://oss.114ic.com/js/common/common.js" type="text/javascript"></script> </div> <div class="text"> <table> <tr> <th><span class="span_tit">订购数量</span></th> <th><span class="span_tit">价格</span></th> </tr> <tr><td><span>1+</span></td><td><label>面议</label></td></tr> </table> <ul> <li><span class="span_tit">厂家型号：</span><h3>LM4990MM/NOPB</h3></li><li><span class="span_tit">产品分类：</span><p>芯片</p></li><li><span class="span_tit">生产厂商：</span><p><a target="_blank" title="TI/德州仪器" href="/brand/130.html">TI</a></p></li><li><span class="span_tit">库存数量：</span><p>1298</p></li><li><span class="span_tit">产品封装：</span><p>MSOP8</p></li><li><span class="span_tit">生产批号：</span><p>19+</p></li><li><span class="span_tit">库存类型：</span><p><a target="_blank" title="现货库存" href="/hotic3/">现货库存</a></p></li><li><span class="span_tit">更新时间：</span><p>2025-3-14 15:36:00</p></li> </ul> <div class="btns"> <a class="on" title="LM4990MM/NOPB数据手册规格书PDF中文资料下载" target="_blank" href="/lm4990mm%2fnopb/pdf-7908556.html"><i class="bg_icon i-icon6"></i>数据手册</a> <a title="LM4990MM/NOPB货源" target="_blank" href="/lm4990mm%2fnopb/"><i class="bg_icon i-icon7" ></i>更多货源</a> </div> </div> </div> <div class="det_tag"> <div class="tab_tit"> <ul class="clear"> <li class="on"><span>详细信息</span></li> <li><span>规格书下载</span></li> </ul> </div> <div class="tag_items"> <div class="item"> <p><span>原厂料号：</span>LM4990MM/NOPB<span class="ml10">品牌：</span>TI</p> <p>原装正品，支持实单</p> </div> <div class="item"> <ul class="pdf"> <li> <span>芯片型号：</span> <p>LM4990MM/NOPB</p> </li> <li> <span>规格书：</span> <p> <a target="_blank" title="LM4990MM/NOPB规格书PDF资料下载" href="https://www.114ic.com/lm4990mm%2fnopb/pdf.html" class="pdfdown">下载</a> </p> </li> <li> <span>企业简称：</span> <p>TI【德州仪器】<a class="f_dblue ml10" target="_blank" title="TI详情" href="/brand/130.html">详情</a> </p> </li><li> <span>厂商全称：</span> <p>Texas Instruments </p> </li> <li> <span>中文名称：</span> <p>美国德州仪器公司</p> </li> <li> <span>内容页数：</span> <p>28 页</p> </li> <li> <span>文件大小：</span> <p>1277.9 kb</p> </li> <li> <span>资料说明：</span> <p>2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level</p> </li> </ul> </div> </div> </div> <div class="box_pa"> <div class="title"> <h2>产品属性</h2> </div> <ul class="product-attributes"> <li><span>类型</span><p>描述</p></li> <li><span>型号：</span><p>LM4990MM/NOPB</p></li><li><span>功能描述：</span><p>音频放大器 </p></li><li><span>RoHS：</span><p>否 </p></li><li><span>制造商：</span><p>STMicroelectronics </p></li><li><span>产品：</span><p>General Purpose Audio Amplifiers </p></li><li><span>输出类型：</span><p>Digital </p></li><li><span>输出功率：</span><p> THD + </p></li><li><span>工作电源电压：</span><p>3.3 V </p></li><li><span>安装风格：</span><p>SMD/SMT </p></li><li><span>封装/箱体：</span><p>TQFP-64 </p></li><li><span>封装：</span><p>Reel </p></li></ul> </div> </div> <div class="det_rt"> <div class="box box_contact tjdet" data-uid="1164726"> <h3>供应商</h3> <ul><li><span>企业：</span><p>博速半导体（深圳）有限公司</p></li><li><span>商铺：</span><p><a class="comp" title="博速半导体（深圳）有限公司" target="_blank" href="https://bsbdt.114ic.com">进入商铺</a></p></li><li><span>联系人：</span><p>高先生</p></li><li><span>手机：</span><p>18824318464</p></li><li><span>询价：</span><div class="wxqq"><a class="a-wxs bg_icon tjwx" data-uid="1164726" rel="nofollow"><div class="dropwx"><img src="https://img.114ic.com/imgb/myimg/202308/1513532417104.jpg"></div></a><a class="a-qqs bg_icon tjqq" data-uid="1164726" data-sm="3003986962" rel="nofollow" title="点击聊天 QQ:3003986962" href="https://wpa.qq.com/msgrd?v=3&uin=3003986962&Site=www.114ic.com&Menu=yes" target="_blank"></a></div></li><li><span>电话：</span><p>18824318464</p></li><li><span>地址：</span><p>深圳市福田区振华路航苑大厦西座1704</p></li></ul> </div> <div class="box"> <div class="page_tit tit2"> <h3>相关型号</h3> </div> <div class="list9"> <ul><li><a title="LM4990MM/NOPB" href="/lm4990mm%2fnopb/hotic3-2193832.html">LM4990MM/NOPB</a></li><li><a title="LM5007MM" href="/lm5007mm/hotic3-2196531.html">LM5007MM</a></li><li><a title="LM4990" href="/lm4990/hotic3-2006236.html">LM4990</a></li><li><a title="LM5008AMM/NOPB" href="/lm5008amm%2fnopb/hotic3-2148593.html">LM5008AMM/NOPB</a></li><li><a title="LM4890MX/NOPB" 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