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10V DSP Smart PA_DSP Smart PA_FourSemi傅里叶


FS1894SU
10V DSP Smart PA

简介

FS1894SU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,具备高性能、低功耗的特性,适用手机、平板、智能手表、智能家居等设备。

特点

● High fidelity 24-bits DAC

- DAC 111dB SNR

- 17µV output noise

● High efficiency adaptive boost

- Integrated boost converter with maximum boost up to 10V

- Support adaptive mode for optimized power consumption

● High efficiency Class-H

- Integrated high efficiency Class-H amplifier

- Up to 5.5W RMS output power with 8Ω load

● Built in audio processor

- 10-Bands parametric equalizer

- Programmable compressor & limiter

- Stereo configuration integrated for RAS

- FS-Sound integrated (BASS,VOCAL,DE-ESSER)

● Adaptive speaker membrane displacement control

●  Adaptive speaker voice coil temperature control

● Digital I2S I/O

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

● I2C control port maximum speed up to 1MHz

● Mono Class-D speaker driver


封装尺寸

10V DSP Smart PA
芯片料号芯片封装芯片尺寸(mm)
FS1894SUWLCSP-30

2.78 x 2.78



原理框图

FS1894SU.png