说明：  RDA5807芯片是目前市场上封装最小的 FM收音模块，它具备驱动能力强,可直接驱动耳机及放大器，覆盖频率从65M-108M 的各国调频波段，并且采用了I2C 总线控制模式，支持强大的LOW-IF数字音频结构和强大的数字信号处理技术（DSP）,实现自动频率控制和自动增益控制等技术。该芯片在MP3领域当中使用非常广泛，可与:瑞芯微,Ali,鼎智,炬力,君正,山景,中颖等方案配合使用。
(RDA5807 chip is the smallest packages on the market FM radio module, it has the driving ability, can directly drive headphones and amplifiers, frequency coverage of countries from 65M-108M FM band, and uses the I2C bus control mode, support for powerful LOW- IF digital architecture and a powerful digital audio signal processing (DSP), automatic frequency control and automatic gain control technology. The chip in the MP3 area which is widely used, with: Rockchip, Ali, Ding Zhi, Actions, the king is, Mountain View, in conjunction with other programs Ying.)