PCM1808PWG4

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The PCM1808PWG4 is an ultralow-power data conversion system that integrates a 24-bit, 192-kHz stereo audio analog-to-digital converter (ADC) with a digital microphone preamplifier. It bridges the gap between the digital realm of digital signal processing (DSP) and the analog domain of audio, providing high-fidelity conversion with ultra-low power and low noise. It is designed for use in digital audio systems, such as virtual reality (VR) headsets, portable media players, digital TVs, and stereos.

The PCM1808PWG4 features an innovative dual-discrete circular buffer that eliminates the risk of data underruns without requiring large FIFO memories. This helps to keep overall system power consumption to a minimum, while also improving data capture efficiency. Additionally, the device\'s integrated preamplifier removes the need for external preamplifiers, saving overall system cost and power.

The PCM1808PWG4 is based on an architecture that includes a converter, an integrated preamplifier, a low-noise analog gain stage, and a programmable digital gain stage. The integrated Class-G THD+N of -86dB (at +/-1V, -3 dBFS, A-weighted) makes it a perfect fit for audio applications. The different modulation modes provide useful features, such as noise shaping, post-processing, and over-sampling. In addition, the device offers extremely low power consumption, allowing battery-powered systems to run longer without recharging.

The PCM1808PWG4 is designed to handle a wide range of audio applications, such as analog-to-digital (A/D) and digital-to-analog (D/A) conversion, audio playback, speech recognition, and real-time monitoring. It features low-distortion digital-to-analog performance, allowing it to provide clean, high-fidelity audio. Additionally, the device is bidirectional, meaning it can act as an ADC for recording and as a DAC for playback.

The PCM1808PWG4 also provides a wide range of ADC and DAC bandwidths, from 10 kHz to 192 kHz, allowing it to be used in a variety of audio applications. Additionally, its versatile operation modes, such as differential and single-ended input, make it suitable for a wide range of audio inputs, including line-level and mic-level signals. Its integrated digital preamplifier provides up to 34 dB of gain, allowing it to be used with low input signals, as well as high input signals.

The PCM1808PWG4 is a versatile and reliable data conversion system that makes it easier than ever to integrate high-quality digital audio into a variety of products. Its integrated preamplifier combined with its low power requirements makes it an ideal choice for battery-powered audio applications. Additionally, its wide range of input and output modes make it a perfect fit for various audio applications. With its outstanding performance and wide range of features, it is the perfect choice for digital audio applications.

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