DEM-PCM2704

Series:	--
Part Status:	Obsolete
Type:	Audio
Function:	Stereo DAC
Embedded:	--
Utilized IC / Part:	PCM2704
Primary Attributes:	--
Supplied Contents:	Board(s)
Secondary Attributes:	--

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Evaluation and Demonstration Boards and Kits typically provide a convenient platform from which application specific designs can be rapidly developed and modified. The Texas Instruments PCM2704 is a popular Evaluation and Demonstration Board which provides a wealth of features for audio specific applications. This article will consider the application fields of the PCM2704, as well as its working principle.The Texas Instruments PCM2704 is a popular Evaluation and Demonstration Board which combines an integrated circuit controller with audio CODEC capabilities. Thanks to its versatility, the PCM2704 is a very attractive platform for many audio projects. It is especially well suited for projects which involve consumer electronics, computer audio, or portable audio applications.The board features a host of audio inputs and outputs, including left & right line input, stereo headphone output, external microphone amplification, line-level outputs, pre-amplified outputs, and more. It is even capable of Digital-to-Analog and Analog-to-Digital conversions. This makes it a great tool for applications such as speaker testing, audio synthesis, and music playback.In addition, the board also features a range of features which are suitable for audio testing and analysis. It both decouple signal and support audio metering. It also has an onboard sample rate converter, as well as support for variable sample rate conversion of various input and output signals.The PCM2704 implements a typical differential-input/single-ended output architecture, providing improved dynamic range and improved common mode rejection when compared to other audio CODECs.At the core of the PCM2704 is a Burr-Brown OPA355 stereo audio analog signal processor, which provides low noise and distortion performance. The OPA355 is also capable of low power operation, making the board ideal for battery powered applications.The PCM2704 can be interfaced with a computer via USB, and features an embedded USB audio Class 2.0 driver, which allows for direct connection of the board to a PC. The board also features a comprehensive software package, which provides a range of tools for configuring and controlling the board.In conclusion, the Texas Instruments PCM2704 is a popular Evaluation and Demonstration Board which provides a wealth of features for audio specific applications. It features a host of audio inputs and outputs, and is capable of Digital-to-Analog and Analog-to-Digital conversions as well as audio testing and analysis. At the heart of the board is a Burr-Brown OPA355 stereo audio analog signal processor, which provides low noise and distortion performance. The board can be interfaced with a computer via USB, and is accompanied by a comprehensive software package for configuring and controlling the board.

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