TI TLV320DAC3202高效G类音频放大方案
TI 公司的TLV320DAC3202是集成了DAC和电源的高保真高效低功耗G类耳机放大器，静态功耗6.5mW的通路 SNR为100dB(A),内置了短路保护，支持8-, 11.025-, 12-, 16-, 24-, 32-, 44.1和48-kHz取样频率，数字控制I2C接口，支持16，20，24和32位数据宽度，32步音量控制，从4dB到-59dB，主要用在智能手机和音乐手机，手持导航仪，PMP和PDA，手持游戏机，HDD和基于闪存的手持音频播放器。本文介绍了TLV320DAC3202主要特性，功能方框图，典型应用电路和TLV320DAC3202EVM评估板主要特性，电路图和材料清单。
The TLV320DAC3202 is a high fidelity and low power headphone amplifier with integrated DAC and power rails. The small solution size and highly efficient operation maximizes battery life and performance. The digital audio interface supports industry standard formats such as I2S and PCM. Many features of this device such as volume setting, data width and sampling rate are configurable for optimum flexibility and efficiency. The headset power control automatically adjusts the rail voltage based on the input signal to maximize efficiency and performance. The control interface uses an industry standard I2C controller for ease of operation and reduction in device pin count.
TLV320DAC3202主要特性：
Ground Referenced Click-Pop Free Class-G Stereo Headset Driver
Capable of Driving 1 VRMS at the Headset Driver Output, Per Channel, in Phase
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