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大联大品佳集团推出基于Audiowise PAU1818的TWS蓝牙耳机方案

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<p><a href="http://www.wpgholdings.com/"><span><span>大联大控股</span></span></a><span><…,其旗下</span><span><span>品佳</span></span><span><span>推出基于</span></span><span>原睿科技(Audiowise)PAU1818的TWS蓝牙5.1耳机解决方案。</span></p>

<p><img alt="图示1-大联大品佳推出基于Audiowise PAU1818的TWS蓝牙耳机方案的实体图" data-entity-type="file" data-entity-uuid="227e2e5c-96c3-4699-ba7a-66a45dc99f0c" src="http://new.eetrend.com/files/2021-06/wen_zhang_/100113445-208579-1.png&…; /></p>

<p><em><span>图示1-大联大品佳推出基于Audiowise PAU1818的TWS蓝牙耳机方案的实体图</span></em></p>

<p><span>原睿科技股份有限公司成立于2019年2月,是台湾原相科技集团旗下的子公司,该公司拥有超过70人的研发团队以及丰富的蓝牙/Wi-Fi音频技术研发经验,致力于为新一代真无线立体声产品解决方案,提供创新技术的无线音频SoC设计,以及面向未来听戴式融合产品的前沿应用。</span></p>

<p><span>近几年来,在苹果推出Air Pod之后,TWS真无线蓝牙耳机便如雨后春笋般冒出,进入消费市场。小米、SONY等知名品牌也相继推出自己的TWS蓝牙耳机,其凭借着高品质音质以及便捷的使用体验深受广大消费者喜爱。由大联大品佳推出的TWS BT5.1蓝牙耳机解决方案,搭载了</span><span>Audiowise PAU1818无线音频系统芯片</span><span>,可实现超低功耗、低延迟以及高品质声音的双耳TWS蓝牙耳机体验。</span></p>

<p><img alt="图示2-大联大品佳推出基于Audiowise PAU1818的TWS蓝牙耳机方案的展示板图" data-entity-type="file" data-entity-uuid="ffd3826a-ecc9-4e7d-bc5b-256833320fa6" src="http://new.eetrend.com/files/2021-06/wen_zhang_/100113445-208580-2.jpg&…; /></p>

<p><em><span>图示</span><span>2</span><span>-大联大品佳推出基于Audiowise PAU1818的TWS蓝牙耳机方案的展示板图</span></em></p>

<p><span>对于硬件部分,该方案搭载的</span><span>PAU1818</span><span>内部采用</span><span>16M Flash,具有极高的集成度,有助于简化电路板设计。此外,由于TWS耳机PCB板空间有限,且天线和匹配的被动元件与主IC,XTAL,BUCK IC的LC放在同一层且越靠近IC越好,因此,在此方案中PCB板选择了叠构4层板设计,可使开发工程师更好地根据需要确定摆件位置。</span></p>

<p><img alt="图示3-大联大品佳推出基于Audiowise PAU1818的TWS蓝牙耳机方案的方块图" data-entity-type="file" data-entity-uuid="0420f407-3379-42c6-9057-7f7971e06d78" src="http://new.eetrend.com/files/2021-06/wen_zhang_/100113445-208581-3.jpg&…; /></p>

<p><em><span>图示3-大联大品佳推出基于Audiowise PAU1818的TWS蓝牙耳机方案的方块图</span></em></p>

<p><strong>核心技术优势</strong><strong>:</strong></p>

<ul>
<li><span>双</span><span>MCU+</span><span>双</span><span>DSP</span><span>设计;</span></li>
<li><span>GRS 2.0 True WirelessStereo</span><span>;</span></li>
<li><span>AW ULL 2.0<span>&nbsp;</span></span><span>低延迟技术;</span></li>
<li><span>ANC+ENC<span>&nbsp;</span></span><span>双向降噪功能;</span></li>
<li><span>双耳同步正负</span><span>1us</span><span>;</span></li>
<li><span>美国和中国芯片技术专利。</span></li>
</ul>

<p><strong>方案规格</strong><strong>:</strong></p>

<ul>
<li><span>支持蓝牙</span><span>5.1 EDR</span><span>/</span><span>BLE</span><span>双模;</span></li>
<li><span>32-bit MCU</span><span>(系统单芯片)</span><span>+RISC-V</span><span>指令集应用处理器;</span></li>
<li><span>24-bit</span><span>/</span><span>104MHz</span><span>高性能</span><span>DSP</span><span>;</span></li>
<li><span>GreenRadio 2.0 True Wireless Audio</span><span>;</span></li>
<li><span>多</span><span>IO</span><span>界面:</span><span>I</span><span>2</span><span>C</span><span>/</span><span>SPI</span><span>/</span><span>I</span><span>2</span><span>S</span><span>;</span></li>
<li><span>内置</span><span>16M Flash</span><span>;</span></li>
<li><span>Audio SNR</span><span>信躁比:</span><span>DAC 103 dB@2V</span><span>,</span><span>ADC 91dBA</span><span>;</span></li>
<li><span>RX</span><span>信号接收灵敏度:</span><span>BDR-94dBm</span><span>,</span><span>EDR2-94 dBm</span><span>,</span><span>EDR3-86dBm BLE-97dBm</span><span>;</span></li>
<li><span>TX Power</span><span>:</span><span>BDR+10dBm</span><span>,</span><span>EDR2+6dBm</span><span>,</span><span>BLE+10dBm</span><span>。</span></li>
</ul>

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