Wolfson claims world-leading consumer stereo ADC solution

17th December 2009
ES Admin
Wolfson Microelectronics announced a new addition to its Pure Sound audio portfolio with the introduction of the WM8783, an ultra low pin count, low power stereo ADC solution designed to offer high quality line input audio performance in recordable media applications, including LCD TVs, set top boxes and DVD recorders.
The WM8783 is an easily integrated, simple ‘plug and play’ device requiring a single 3.3V supply. The WM8783 has the lowest ADC pin count on the market today and requires only two decoupling capacitors. The low power WM8783 is also ideal for battery powered applications, providing system designers with an easy-to-use, high quality line-in conversion path, resulting in significant savings on design time, PCB space and the audio subsystem bill of materials (BOM).

The WM8783 uses a high performance multi-bit Sigma Delta ADC architecture to provide superior audio performance achieving 95dB SNR, -83dB THD and supporting sample rates from 8kHz to 96kHz. The WM8783 also simplifies system design through the use of on-chip regulators to enable operation from a single 3.3V supply. The WM8783 accepts analogue inputs up to 1Vrms and provides an integrated high pass filter to remove DC offset and suppress low frequency noise.

Barry Paterson, Wolfson’s Director of Engineering for High Performance Audio, said: “We believe that the WM8783 will offer customers a simple cost effective solution without any compromise on performance. The WM8783 is simple to use and requires minimal external components to realize an effective solution.”

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