PCM3501EG4

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The PCM3501EG4 is an integrated low power digital audio converter from Texas Instruments. It is a highly integrated, small-footprint device that provides industry-leading audio performance while maintaining low power consumption. Based on the company’s extensive expertise in audio-processing technology and data conversion, the PCM3501EG4 enables low power and cost-efficient designs for high-efficiency audio codecs and high-precision microphone arrays.

The PCM3501EG4 is designed to provide very low power audio conversion between high resolution digital audio signals and traditional analog audio lines. By integrating fully programmable analog-to-digital (ADC) and digital-to-analog (DAC) converters with up to 24-bit resolution and a wide bandwidth, the PCM3501EG4 offers exceptional performance in terms of audible fidelity and low distortion, combined with low noise floor. This makes it well-suited for digital voice and audio applications, such as consumer electronics, cellular phones, VoIP, and high-end audio systems.

The PCM3501EG4 includes two codecs and two analog muxes, each with their own programmable parameters, clock source, and digital filtering options. This enables exceptional flexibility for audio signal processing and encoding, allowing the user to quickly and easily configure the device to meet their specific application requirements.

The PCM3501EG4 supports a variety of audio formats, including linear, I2S, and TDM standard audio formats. It also supports a wide range of sample rate conversion (SRC) options, including sample rate and data rate conversion, while maintaining very low clock jitter.

The PCM3501EG4 is designed to operate within a wide supply range of 1.7 to 5.5V, allowing it to be easily used in battery powered or USB powered applications. The device incorporates advanced power management features, including a low-power shutdown mode that helps extend battery life in portable and mobile applications.

At the heart of the PCM3501EG4 are two audio data converters – an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC). The ADC provides up to 24-bit resolution and a wide bandwidth, enabling low noise and low distortion performance. The DAC provides up to 24-bit resolution and a wide dynamic range, allowing users to achieve high-quality and low distortion playback.

The PCM3501EG4 includes an integrated programmable digital filter that can be used to adjust the audio signal for better performance. The integrated filter supports various audio formats and sample rates, including 44.1k and 48kHz sample rates, I2S and TDM interfaces, and features various low-pass, high-pass, and band-pass filter parameters. The programmable filter also supports several different audio signal processing functions, such as compression, expansion, noise shaping, and signal delay.

The PCM3501EG4 also includes an integrated dc-coupling network which can be used to optimize the performance of the digital filter, as well as to provide additional output signal processing. The integrated dc-coupling network provides unmatched signal fidelity in digital audio applications.

The PCM3501EG4 provides a variety of hardware and software solutions to streamline the implementation of audio solutions. On the hardware side, its expansion capabilities make it an ideal choice for audio expansion solutions, including USB audio, digital microphone arrays, and audio signal processing platforms. On the software side, the device is supported by a comprehensive software library, providing a variety of audio functions, including sigma-delta conversion, high-pass and low-pass filters, gain control, and tone control. The PCM3501EG4 is also compatible with Texas Instruments’ standard audio interface and data protocols.

The PCM3501EG4 is a highly integrated, low power, and cost-effective audio solution from Texas Instruments. Its wide range of integrated features and superior performance make it ideal for a variety of audio applications, including consumer electronics, VoIP, cellular phones, audio codecs, and high-end audio systems. Its small size, low power consumption, and high performance make it an ideal solution for battery powered and USB powered applications.

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