HT3286：高效D类音频功率放大器资料
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在22V供电的立体声（BTL）模式、THD+N=10%条件下，能够持续提供2*33W/8Ω功率输出；在单声道（PBTL）、模式、THD+N=1%条件下，能够持续提供50W/4Ω功率输出。HT3286具有先进的扩频功能来干预EMI，使用价格低廉且小体积铁氧体磁珠可满足EMC要求。</div><div>
<div>
<p >此外，HT3286内置关断功能使待机电流蕞小化，还集成了过压保护、直流保护、短路 保护、热保护和电源欠压异常保护等功能，可全面防止出现故障。</p>
<div style="text-align: center;"></div>
<p >主要特征：</p>
<p >・输出功率（BTL模式）</p>
<p >2×20W (VDD=14.5V, RL=4Ω, THD+N=10%)</p>
<p >2×33W (VDD=22V, RL=8Ω, THD+N=10%)</p>
<p >・输出功率（PBTL模式）</p>
<p >50W (VDD=22V, RL=4Ω, THD+N=1%)</p>
<p >・单电源系统，4.5V-22V宽电压输入范围</p>
<p >・超过90%效率，无需散热器</p>
<p >・可选输出模式：BD和1SPW</p>
<p >・MUTE和关断功能</p>
<p >・扩频功能，免电感滤波</p>
<p >・模拟差分/单端输入，输出模式立体声/单声道可选</p>
<p >・可选增益：32dB/26dB</p>
<p >・保护功能：过压/过流/过热/欠压异常，直流检测和短路保护</p>
<p >・无铅无卤封装，ETSSOP28</p>
<div style="text-align: center;"></div>
<p >应用：</p>
<p >・条形音箱</p>
<p >・无线智能音箱</p>
<p >・便携式音箱</p>
<p >・消费类音频应用</p>
<p >・拉杆音箱</p>
<p >・LCD电视/监视器</p>
<div style="text-align: center;"></div>
<p> </p>
</div>
</div>
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