WM1811AECS/R Integrated Circuits (ICs)

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The WM1811AECS/R is an integrated analog/digital audio codec with an integrated mono Class D speaker amplifier from Wolfson Microelectronics, specifically targeted towards audio applications in mobile phones, tablets, and other portable electronic devices. It provides integration of a comprehensive range of functions that enable a highly efficient solution with uncompromised performance and low power consumption.

The WM1811AECS/R features integrated audio ADCs and DACs, analog inputs and outputs, a stereo DAC, and microphone support. It offers support for a range of audio formats and provides features such as active noise cancellation, automatic level control, and audio post processing. With its integrated power amplifier it is capable of driving up to 600 mW of peak power into an 8 Ω load. On top of that it also includes additional functionality, like an analog input mixer, headset detection, and four GPIO pins.

The WM1811AECS/R\'s primary application field is in mobile and portable devices for use in automotive, home theatre, and multimedia systems. It is ideal for applications such as music playback, podcasts, and portable audio devices. It is also well suited for smart TVs, digital signage, and other multimedia applications.

The working principle of the WM1811AECS/R is based on the integration of a complete range of audio codecs, amplifiers, and other components into a single chip. The core of the device is the Digital Mixed-Signal Processor (DMSP), which is responsible for the interface between the Digital APIs (Application Programming Interfaces) and hardware interfaces. The DMSP performs the functions of audio encoding, decoding, analog signal processing, and post-processing in order to provide an enhanced audio experience.

The WM1811AECS/R also features the Wolfson Audio Signal Processing (ASP) core, which is designed to improve the performance of the audio by reducing noise, eliminating distortion, and improving sound quality. The ASP core is capable of performing real time signal processing for digital audio signals and analog signals, allowing for real time audio post processing, advanced noise cancellation, and other functions.

The WM1811AECS/R is used in a range of devices, such as digital audio players, multimedia systems, and portable electronics. It provides a comprehensive range of features and functions, including stereo analog inputs, stereo digital inputs, digital audio outputs, stereo digital output, digital amplifier control, built in active noise cancellation, automatic gain control, and more. In addition, the WM1811AECS/R integrates a microphone, headset detection, and four GPIO pins for control and communication.

In summary, the WM1811AECS/R is an integrated audio codec and Class D speaker amplifier optimized for mobile and portable devices. It offers a comprehensive range of features and functionalities, and integration of a range of audio processing components. The Wolfson Audio Signal Processing (ASP) core incorporated in the WM1811AECS/R enables real time audio post processing, advanced noise cancellation, and enhanced sound quality for a superior audio experience.

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