CS83702单节锂电池3.7V供电内置升压18W单声道D类功放IC
<p style="text-align:start; text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">CS83702E是一款适用于单节锂电池供电应用,固定增益,带三种防破音模式,AB/D切换,静音功能,内置BOOST升压模块的R类单声道音频功率放大器。在单节锂电池供电的情况下,CS83702E可以驱动低至2Ω的扬声器,最大输出</font><font style="font-size:12pt">18W的恒定功率;CS83702E AB类D类可切换模式的设计,最大限度的减少音频子系统中功放对FM的干扰,为终</font><font style="font-size:12pt">端产品提供了极致的功率输出.</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p><p style="text-align:start; text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">CS83702E的全差分架构和极高的PSRR有效地提高对</font><font style="font-size:12pt">RF噪声的抑制能力。无需滤波器的PWM调制结构及内置</font><font style="font-size:12pt">的BOOST升压模块 ,以及CS83702E采用专有的</font><font style="font-size:12pt">AERC((Adaptive Edge Rate Control)技术,在音频全带</font><font style="font-size:12pt">宽范围内极大地降低了EMI的干扰，对60cm的音频线 ，</font><font style="font-size:12pt">在FCC的标准下具有超过20dB的裕量,另外CS83702E内</font><font style="font-size:12pt">置了过流保护,短路保护和过热 保护,有效的保护芯片在异常的工作条件下不被损坏。</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p style="text-align:start; text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">CS83702E提供了纤小的的EQA16封装形式供客户选</font><font style="font-size:12pt">择 ,封装尺寸和 ESOP8一致 ,其额定的工作温度范围为 -</font><font style="font-size:12pt">40℃至85℃。</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt"><strong>描述</strong></font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">内置BOOST模块R类结构,集成AB类D类两种模式</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">输出功率</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">P</font><font style="font-size:12pt">O at 10% THD+N, VIN = 3.7V</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">RL = 4 Ω 10.1W(D MODE NCN OFF）</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">PO at 10% THD+N, VIN = 3.7V</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">RL = 2Ω+22µH Ω 18W(D MODE NCN OFF）</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">优异的"噼噗-咔嗒"(pop-noise)杂音抑制能力</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">工作电压范围：2.7V到5.5V</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">扩频功能</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">固定64倍增益，集成10K输入电阻,640K反馈电阻</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">内置三种防破音模式</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">无需滤波的Class-D结构</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">最高84%的效率(Vbat=4.2V)</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">高电源抑制比(PSRR)：在217Hz下为70dB</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">启动时间 (200ms)</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">静态电流 (22mA)</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">低关断电流 (1µA)</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">过流保护，短路保护和过热保护</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt"><strong>应用</strong></font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">便携式蓝牙音箱</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt">拉杆音箱</font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt"><strong>引脚排列及定义</strong></font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><img src="http://www.szczkjgs.com/uploadfile/20200724/20200724132315801.jpg" style="height:280px; width:953px" /></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><font style="font-size:12pt"><strong>典型应用原理图</strong></font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p align="left" style="text-indent:0px; -webkit-text-stroke-width:0px"><span style="font-size:14px"><span style="color:#000000"><span style="font-family:"Microsoft YaHei""><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:normal"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><img src="http://www.szczkjgs.com/uploadfile/20200724/20200724132347800.jpg" style="height:522px; width:835px" /></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p>
<p>功放IC 内置升压电路不多见</p>
<p>深圳早就在用了， </p>
<p>一定要2个肖特基并联吗？</p>
<p>改成一个行不行呢？</p>
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