TLV320AIC3109EVM-K

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Evaluation and Demonstration Boards and Kits form an important part of many design processes. They can be used to test and demonstrate the capabilities of hardware and software, providing a platform to evaluate, develop and refine products. The TLV320AIC3109EVM-K is a specialised evaluation and demonstration board from Texas Instruments, intended for use with the TLV320AIC3109 digital audio codec. In this article, we will look at the design principles of this board, and its application fields.

At the heart of the TLV320AIC3109EVM-K is the TLV320AIC3109 digital audio codec, a highly-integrated low-power audio solution designed for portable and consumer audio applications. This codec provides high-performance stereo audio line-in, line-out, headset-out and microphone inputs, as well as programmable gain/attenuation and 3D audio enhancement. The TLV320AIC3109EVM-K provides all the inputs and outputs required for rapid evaluation of the PCM digital audio features of the device. By connecting the board to a PC, audio processing algorithms can be developed in DSP-like languages such as MATLAB, and then tested and optimised on the board itself.

The TLV320AIC3109EVM-K also provides a multitude of features to facilitate hardware and software testing. It has two sets of stereo line-in and line-out jacks, and a USB audio interface, for connecting the board to a computer. In addition, it has a potentiometer-controlled headphone amplifier and microphone interface, allowing for real-time testing of audio playback and recording. The board can also be connected to a range of stereo digital microphones, using the integrated multi-channel audio processor. Finally, the board features a suite of GPIO pins for controlling external peripherals such as sensors, displays and LEDs.

The TLV320AIC3109EVM-K can be used in a number of different application fields. It is suitable for use as an audio interface in portable devices such as MP3 players and handheld computers. It can also be used to evaluate audio stream recording and playback on embedded systems such as mobile phones. Furthermore, the board can be used to develop algorithms for audio recording and playback on embedded systems, with the multicore audio processor providing the necessary power and flexibility for the task. Finally, the board can be used to demonstrate and evaluate algorithms in an interactive setting, allowing for quick and easy evaluation and demonstration.

It is clear that the TLV320AIC3109EVM-K provides an excellent platform for the rapid evaluation and demonstration of audio processing. By providing a comprehensive set of audio inputs and outputs, it is ideal for demonstrating the capabilities of audio processors and algorithms. Furthermore, it can be used to develop and refine audio algorithms in a DSP-like programming environment, allowing for rapid product development and improvement.

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