PCM2902CDBR

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The PCM2902CDBR is a high-performance audio CODEC (coder-decoder), designed for use in multimedia applications. It is capable of sampling, digitizing, and compressing audio signals, then passing them on to a digital media processor such as a computer. The CODEC is available in two packages: a 32-pin TQFP and an 8-pin SSOP. Its wide range of features includes stereo, 16-bit linear, and 8-bit mu-law/A-law A/D and D/A conversion, stereo line-level inputs and outputs, and an integrated low power amplifier.

The PCM2902CDBR is used in a variety of applications, ranging from consumer electronics to commercial applications. For consumer applications, it is used in portable multimedia devices, such as digital audio players and personal media players. In commercial applications, it is used in digital mixing consoles, A/V editing and post-production systems, and home theater receivers.

The PCM2902CDBR is made up of two basic components: the D/A converter and the A/D converter. The D/A converter converts digital audio into analog audio, while the A/D converter takes an analog audio input and converts it into a digital signal. The CODEC also has several features that can be used to control the audio signal, such as the volume control, panning, and equalization. Additionally, the CODEC includes a headphone driver, which can be used to isolate the headphones from the main audio system, allowing for greater control over the sound.

The working principle of the PCM2902CDBR is as follows: the incoming audio is sent through the A/D converter, which converts it into a digital audio signal. This signal is then processed by the CODEC\'s internal digital signal processor (DSP) to modify and enhance the sound, before being sent to the D/A converter. The D/A converter then converts the digital audio signal into a high-quality analog signal, which is then sent to the output device.

In summary, the PCM2902CDBR is a high-performance audio CODEC designed for use in multimedia applications. It provides stereo, 16-bit linear, and 8-bit mu-law/A-law A/D and D/A conversion, and features such as volume control, panning, and equalization. It is used in consumer applications such as digital audio players and commercial applications such as digital mixers. The CODEC works by converting incoming audio signals to digital and then passing them through a digital signal processor before outputting an analog signal to the output device.

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