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TLV320AIC3111功耗表征
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Introduction
The TLV320AIC3111 is a low-power codec that features a high-performance audio codec with 16-bit stereo playback and monaural record functionality. The codec is provided with a fully programmable mini DSP for digital audio processing. A built-in PLL provides a high-speed clock to the digital signal processing blocks. Register-based architecture is used in this codec and eases integration with a microprocessor-based system through standard serial interface buses.
This codec can be tuned to minimize the power consumption and increase the performance. It can be achieved by choosing the right processing block for the required application and powering down the unused blocks. This allows power optimization without any disconnecting external supplies. That is done by simply writing to the control registers. Also， the TLV320AIC3111 has a software-capability to power down without disconnecting any external power supply.
The following application report provides the characterization of power consumption of the TLV320AIC3111 codec for stereo playback via headphones， stereo playback via headphones and speakers， mono record， mono record plus stereo playback via headphones， and mono record plus stereo playback via headphones and speakers. Scripts of each application are provided and the register setting for power optimization for different blocks are described.
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