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WM8720  
 
Further information
 
   
Stereo DAC with volume control
WM8720_BlockDiagram.gif
FEATURES
  • 102dB SNR (‘A’ weighted @48kHz) 
  • THD: -95dB @ 0dB FS
  • Sampling frequency: 8kHz to 96kHz
  • 5V or 3.3V supply operation
  • Input data word: 16 to 24-bit
  • Hardware or 3-wire serial software control modes
  • Integrated mute and digital attenuation (256 steps)
  • Phase reversal option
  • Power down mode
DESCRIPTION

The WM8720 is a high performance stereo DAC designed for audio applications such as CD, DVD, home theatre systems, set top boxes and digital TV. The WM8720 supports data input word lengths from 16 to 24-bits and sampling rates up to 96kHz. The WM8720 consists of a serial interface port, digital interpolation filter, multi-bit sigma delta modulator and stereo DAC in a small 20-pin SSOP package. The WM8720 also includes a digitally controllable mute and attenuator function on each channel.

The WM8720 supports a variety of connection schemes for audio DAC control. The SPI-compatible serial control port provides access to a wide range of features including on-chip mute, attenuation and phase reversal. A hardware controllable interface is also available.

The programmable data input port supports a variety of glueless interfaces to popular DSPs, audio decoders and S/PDIF and AES/EBU receivers.
 
 
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DATA SHEET
WM8720 Rev 4.0 (170 k )

RELATED PRODUCTS
WM8716
WM8736

EVALUATION BOARDS
WM8720EV1M

APPLICATION NOTES
 
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