WM8782SEDS/V Integrated Circuits (ICs)

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The WM8782SEDS/V is an audio codec from Wolfson Microelectronics. This product is ideal for a variety of audio applications, such as cell phones, portable media players, automotive applications and other digital audio devices. It contains a fully featured smartphone multimedia codec with stereo digital/analog input/output converters, a digital microphone interface, mono headset amplifiers and independent audio line amplifiers.

The WM8782SEDS/V belongs to the Data Acquisition - ADCs/DACs - Special Purpose category. This codec is a highly integrated solution for applications that demand the best analog-to-digital (ADC) and digital-to-analog (DAC) performance. It combines a power-efficient 16-bit audio stereo codec plus a 24-bit stereo A/D converter, 24-bit stereo D/A converter and a digital microphone interface into one highly integrated device. The codec also features a headphone amplifier for driving to earpieces.

The product offers advanced features such as support for I2C or SPI digital data communication, programmable sample rate converter, low-distortion mono-headphone amplifier, integrated digital microphones, noise cancellation, and enhanced boot sequence. The WM8782SEDS/V has a low power consumption of 0.7mW, allowing it to be used in power sensitive applications. It also features a high dynamic range of 108dB, making it ideal for critical audio applications. Also included is an integrated digital microphone interface and a multi-master digital interface.

The WM8782SEDS/V supports both analog and digital audio inputs, making it flexible and ideal for a range of audio applications. The product employs a comprehensive process, from the analog and digital signal input levels to the digital interface, providing the highest level of audio fidelity. The device also supports three-level input routed to each DAC for low-noise audio operation. Additionally, the WM8782SEDS/V supports dual-channel I2S/PCM audio interfaces for applications that require streaming audio.

The WM8782SEDS/V application field is wide and can be used for automotive audio systems, portable multimedia players, digital TVs, and cell phones. Additionally, it is widely used in audio accessories and headsets, laptop computers, audio collector systems, multimedia controllers, and other audio systems. In terms of the working principle, the device uses the delta-sigma ADC and DAC architecture, and the configuration of these components varies widely depending on the application. The delta-sigma ADC and DAC architecture are used for anti-aliasing and noise-shaping, ensuring a high-quality audio signal is delivered from the device. The WM8782SEDS/V also implements a PMU/dynamic power-saving feature to save power during operation. The codec also provides a classical digital design, allowing the device to interface with microcontrollers, digital signal processors (DSPs) and FPGAs.

In conclusion, the WM8782SEDS/V is an advanced audio codec that provides an ideal solution for a range of audio applications in fields such as automotive audio systems, portable multimedia players, and cell phones. Its features include stereo digital/analog input/output converters, a digital microphone interface, mono headset amplifiers and individual audio line amplifiers, with support for I2C/SPI, programmable sample rate converter, low-distortion headphone amplifier and integrated digital microphone interface. It also has a low power consumption, a high dynamic range of 108dB, and uses the delta-sigma ADC and DAC architecture for anti-aliasing and noise-shaping. Overall, the WM8782SEDS/V is an excellent choice for audio applications due to its robust and reliable performance.

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