Wolfson expands Pure Sound audio portfolio
Wolfson Microelectronics
WM8783 ADC solution
Wolfson Microelectronics has added the WM8783 ultra-low-pin-count, low-power-stereo ADC solution to its Pure Sound audio portfolio.
The new solution is designed to offer high-quality line input audio performance in recordable media applications, including LCD televisions, set-top boxes and DVD recorders.
The WM8783 is an integrated 'plug-and-play' device requiring a single 3.3V supply.
It has a low ADC pin count and requires only two decoupling capacitors.
The low-power WM8783 is also suitable for battery-powered applications, providing system designers with a high-quality line-in conversion path, resulting in savings on design time, PCB space and the audio subsystem bill of materials.
The WM8783 uses a high-performance multi-bit Sigma Delta ADC architecture to provide good audio performance, achieving 95dB SNR and -83dB THD and supporting sample rates from 8kHz to 96kHz.
The device 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.
It is available for sampling now in an SOIC-8 package.
WM8783 customer evaluation boards are available to aid device evaluation and development.
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