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6.1V Mini Smart PA_DSP Smart PA_FourSemi傅里叶


FS1818U
6.1V Mini Smart PA

简介

FS1818U是一款集成傅里叶SDG微型扬声器振幅和温度保护算法、FS Sound音效算法和I/V信号检测功能的智能扬声器功率放大芯片,具备低功耗、小尺寸的特性,适用于手机、平板、智能手表等移动设备。

特点

● High fidelity 24-bits DAC

-104dB SNR

-16µV output noise 

● High efficiency adaptive boost

-Maximum boost up to 6.1V

-Support adaptive mode for optimized power consumption

● High efficiency Class-D

-Integrated high efficiency Class-D amplifier

-Up to 2.05W RMS output power with 8Ω load

-90% at 0.5W in 8Ω with 4.0V VBAT

-81% at 2W in 8Ω with 4.0V VBAT

● I/V sense protection

-Adaptive speaker membrane displacement control

-Adaptive speaker voice coil temperature control

● Built-in audio processor

-10-Bands parametric equalizer

-Programmable compressor & limiter

-Stereo configuration integrated for RAS

-FS Sound integrated

● Digital I2S I/O

-I2S I/O-8KHz-48kHz sample rates

● I2C control port maximum speed up to 1MHz


封装尺寸

6.1V Mini Smart PA
芯片料号芯片封装芯片尺寸(mm)
FS1818UWLCSP-201.58 x 1.98


原理框图

FS1818U.png