Boosted audio system with adaptive sound maximizer and speaker protection

文件：252.05 Kbytes 頁數(shù)：22 Pages

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6.1 V高能效內嵌DSP的D類音頻放大器

TFA9896是具有高級揚聲器升壓和保護算法的高效率D類音頻放大器。該放大器可在電池電壓為3.6 V時向8 Ω揚聲器提供2.1 W（RMS，THD = 1%）的峰值輸出功率；內部升壓轉換器可將供電電壓提升到5.3 V，滿足大幅提升音質的需求。 ? 升壓電壓：6.1 V\n? 最大RMS輸出功率：\n-8 Ω時為2.1 W (THD < 1%，Vbat = 4 V)\n-4 Ω時為3.2 W (THD < 1%，Vbat = 4 V，RL > 3.4 Ω)\n? 低噪聲：正常增益模式時為27 uV；低增益模式為19 uV\n? 靜音輸入時超低功耗空閑模式功率為22 mW(DSP旁路)\n? Pout = 130 mW平均值時優(yōu)化的電池消耗為169 mW\n? 總系統(tǒng)效率 > 83% (Pout = 1 W，RL = 8 Ω，Vbat = 4 V)\n? 2 * TDM全雙工(4線)\n? 增強型電池保護;

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匯頂科技

Boosted audio system with adaptive sound maximizer and speaker protection

文件：252.05 Kbytes 頁數(shù)：22 Pages

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Boosted audio system with adaptive sound maximizer and speaker protection

文件：252.05 Kbytes 頁數(shù)：22 Pages

恩XP

Smart Power Amplifier

The TFA9896 is a high-efficiency class-D audio amplifier with a sophisticatedSpeakerBoost protection algorithm. It can deliver 2.1 W (RMS; THD = 1 %) output powerinto an 8 Ohm speaker at a battery voltage of 3.6 V. The internal boost converter raisesthe supply voltage to 6.1 V, providing ample h ? Boost Voltage – 6.1 V\n? Maximum RMS output power:? 2.1 W into 8 Ohm (THD<1%; Vbat=4 V)\n? 3.2 W into 4 Ohm (THD<1%; Vbat=4 V; RL>3.4 Ohm\n? Low Noise: 27 uV @ normal gain mode; 19 uV @ low gain mode\n? Ultra-low power idle mode 22 mW @ silent input (DSP bypassed)\n? Optimized battery cons;

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音頻放大器 2W/8Ohm TDM I/O 6V speaker driver

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