PCM2906CDB

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The PCM2906CDB is a 2-channel digital/analogue audio codec, composed of a stereo analogue-to-digital converter and a stereo digital-to-analogue converter. This codec offers high-end audio performance and an advanced feature set, making it suitable for a wide range of end-applications.

Applications

The PCM2906CDB is suitable for applications including home entertainment systems, multimedia systems, automotive audio systems, personal computers, portable audio players, personal communication systems and information systems. It is suitable for any application where high-quality sound and low power consumption is required.

The PCM2906CDB features an integrated headphone amplifier, a low-noise pre-amplifier, and an integrated tone control circuitry. It supports up to 24-bit/96kHz sampling rate audio in both digital and analogue input/output formats. It also supports digital signal processing (DSP) functions such as equalisation, mixing, and sampling rate conversion. It is capable of operating in either a stand-alone or multi-channel mode, making it well-suited for use in surround sound systems.

Working Principle

The working principle of the PCM2906CDB is based on the conversion of analogue signals to digital signals and vice versa. The analogue-to-digital (A/D) converter inside the codec receives an analog input signal and converts it into an equivalent digital signal. The digital-to-analogue (D/A) converter receives a digital signal and converts it into an equivalent analogue signal. The quality of the output signal is determined by the accuracy and precision of the conversion process. The PCM2906CDB features a multi-level, multi-bit analogue-to-digital and digital-to-analogue converter, providing high-quality conversion with low noise and distortion.

The PCM2906CDB is designed to deliver low-latency, high-fidelity audio performance with minimal power consumption. It is capable of supporting up to 8 channels of digital audio simultaneously, making it suitable for use in multi-channel digital audio systems. It is also capable of providing high-quality output signals with low noise and distortion, making it ideal for use in audio applications where low distortion and high fidelity are required.

In addition to its A/D and D/A conversion capabilities, the PCM2906CDB also integrated many supporting features, such as an input filter, anti-jitter circuitry, volume control, headphone drive, and mute and polarity control. These features provide a high degree of flexibility and control in audio system design, making the PCM2906CDB a versatile audio codec for a wide range of end-applications.

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