方泰ft2810DQ 内置 双电荷泵升压 蓝牙音频G类功放
更新时间：2024-04-25
信息编号：1384223
详情介绍
联系方式方泰ft2810DQ 内置 双电荷泵升压 蓝牙音频G类功放
GENERAL DESCRIPTION The ft2810D is a boosted Class-G audio power amplifier based upon a proprietary Dual-PumpTM topology with automatic level control (ALC). It operates from 2.7V to 5.5V supply. When operating with a 4.2V supply voltage, it is capable of driving a 4Ω speaker load at a continuous average output of 3W with 10% THD+N. Its high efficiency, up to 74%, helps extend battery life for portable device applications. In ft2810D, the power supply rail for the amplifier’s output stage is internally boosted and regulated at 6V by an adaptive charge pump based upon the Dual-PumpTM topology, thus allowing for a much louder audio output than a stand-alone one directly connected to the battery. It makes ft2810D an ideal audio solution for portable devices that are powered by a single-cell lithium battery while requiring higher audio loudness. The ft2810D features ALC on the audio output signals, which detects the output clipping caused by the over-level input signal and automatically adjusts the voltage gain of the amplifier to eliminate the clipping while maintaining the maximally-allowed dynamic range of the audio output signals. The ALC also eliminates the output clipping due to low battery supply voltage. APPLICATIONS ? Mobile phones ? MID
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