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Product Spec Banner
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RT5509是具有边缘切割喇叭保护演算法的单声道BTL D放大器。此外，采用DC-DC升压转换器可为D类放大器提供有效的电源。I<SUP>2</SUP>S介面支援两种不同的音频源，而一对辅助DATAI / O用于立体声模式或直通应用。晶片信息包括增益、喇叭保护输出或电流检测能够通过DATAO通过适当的寄存器设置进行监控。扬声器保护提供机械/热保护，精准度为额定限制的10%/±10°C。
RT5509 电路图
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basicInfoImageSection
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productDetailSection
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orderingInformationSection
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technicalDocumentationSection
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false
buttonFindOtherCategory
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productDetailSection
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parameterSection
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<div class="spec-list"><ul class="lv1"><li>D类声道功率放大器 <ul class="lv2"> <li></li><li>4.3W输出电源 @ 9.5V, 8Ω Load, THD < 1% </li><li>0/3/6/9/12/15/18dB Boost Gain </li><li>20μV输出噪音 @ 0dB Gain </li></ul> </li><li>升压转换器 <ul class="lv2"> <li></li><li>适性的升压喇叭，将电池的供电提升到设定电压，最大值可达9.5V </li><li>电源模式：适性的升压，固定升压，旁路模式 </li><li>切换频率 2MHz，最大输出电流 1.5A </li><li>支援CCM/DCM补偿，ADC回馈 </li><li>数位部分：升压模式内的电压回路 </li></ul> </li><li>数位 <ul class="lv2"> <li></li><li>支援I<sup>2</sup>S数位音频介面，左右对齐 </li><li>I<sup>2</sup>S采样率支援高达48kHz, 24-bit </li><li>数位滤波器，数位音量，DRC/噪音门 </li><li>喇叭保护 </li><li>喇叭幅度估计精准度：误差 < 10% </li><li>B1校准功能 </li><li>温度检测 </li><li>喇叭温度估算精准度：误差 < ±10°C </li></ul> </li></ul></div>
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productFeatureSection
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RT5509 订购信息
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RT5509
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RT5509
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<div class="spec-list"><ul class="lv1"><li>智慧型手机 </li><li>平板电脑 </li></ul></div>
applicationContent
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keywordList
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applicationSection
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supportCards
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i18n(support-card-item.technical-support.url)
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orderingSupportCard
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i18n(support-card-item.sales.description)
i18n(support-card-item.sales.learn-more-text)
i18n(support-card-item.sales.url)
salesSupportCard
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fixed-width
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supportSection