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buttonDatasheet
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buttonContactUs
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Product Spec Banner
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RT9123 是一款单声道 Class-D 放大器，具备高效率和卓越性能。除了 I<SUP>2</SUP>C 控制外，RT9123 还具有 I<SUP>2</SUP>S/TDM 介面的「硬体控制模式」选项。这种模式简化了放大器驱动程序，无需使用 I<SUP>2</SUP>C 指令便可开启或关闭设备。数位音讯介面支援多种格式，包括 I<SUP>2</SUP>S、左对齐、右对齐以及 8 通道时分多工 (TDM) 格式。<BR>建议的接面范围为 -40°C至125°C，环境温度范围为-40°C至85°C。
RT9123 电路图
width
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id
basicInfoImageSection
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productDetailSection
i18n(anchor-tab.product-detail-section.title)
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orderingInformationSection
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technicalDocumentationSection
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designToolSection
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applicationSection
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supportSection
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i18n(tabs.product-detail.title)
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packageSizePinsSizeSection
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i18n(tab-item.product-feature-section.title)
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buttonSeeProductDifferences
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false
buttonFindOtherCategory
text-with-icon
right
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i18n(button-item.find-other-category.button-label)
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parameterTable
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productFeature
<div class="spec-list"><ul class="lv1"><li>Class-D 喇叭放大器 <ul class="lv2"> <li></li><li>于 4Ω 负载下提供 3.2W 输出功率，总谐波失真 (THD) 小于 10% </li><li>8μV 输出噪声 </li><li>低停机电流 </li><li>增加 DRE 以减少输出噪声 </li><li>扩频技术 </li><li>快速启动时间：1ms </li><li>支援无需驱动程式和 I<sup>2</sup>C 控制的硬体控制模式 </li><li>静音数据检测 </li><li>提供蜂鸣功能 </li></ul> </li><li>音频介面 <ul class="lv2"> <li></li><li>数位音频介面支援 I<sup>2</sup>S、左对齐、右对齐和 TDM 格式 </li><li>支援 8/16/20/24/32 位数据长度及 8kHz 至 96kHz 采样率 </li></ul> </li><li>数位控制 <ul class="lv2"> <li></li><li>音量控制 </li><li>削波减增益控制 </li></ul> </li><li>保护功能 <ul class="lv2"> <li></li><li>OCP：检测高电流水平以禁用类比模块100ms </li><li>VDD UVP：当电池电压低于2.2V时禁用类比模块 </li><li>VDD18 UVP：当电池电压低于1.4V时禁用类比模块 </li><li>OTP：当 IC 温度超过 150°C时禁用类比模块 </li></ul> </li></ul></div>
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productFeatureSection
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i18n(tabs.ordering-information.title)
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orderingDetailSection
orderingDetailSectionTab
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width
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orderingInformationSection
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RT9123 订购信息
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orderingDetailSection
technical-documents
RT9123
technicalDocumentMultipleTable
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technicalDocumentationSection
design-tools
RT9123
designToolMultipleTable
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designToolSection
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<div class="spec-list"><ul class="lv1"><li>智慧手机、平板电脑 </li><li>个人媒体播放器/可携式电视 </li><li>游戏机/相机 </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.learn-more-text)
i18n(support-card-item.technical-support.url)
technicalSupportCard
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i18n(support-card-item.ordering.description)
i18n(support-card-item.ordering.learn-more-text)
i18n(support-card-item.ordering.url)
orderingSupportCard
i18n(support-card-item.sales.title)
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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width
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supportSection