WM8746

WM8746 is a high performance 6-channel DAC designedfor audio applications such as DVD, home theatre systems,and digital TV. The WM8746 supports data input wordlengths from 16 to 32-bits and sampling rates up to 192kHz.The WM8746 can convert up to 6 channels at sample ratesfrom 8 to 192kHz. Additionally WM8746 supports 2channels at 192kHz and 4 channels at 96kHzsimultaneously.

The WM8746 consists of a serial interface port, digitalinterpolation filters, multi-bit sigma delta modulators and 6DACs in a small 28-pin SSOP package. The WM8746 alsoincludes a digitally controllable mute and attenuator functionon each channel.

The WM8746 supports a variety of connection schemes foraudio DAC control. The serial control interface providesaccess to a wide range of featuresincluding on-chip mute,attenuation and phase reversal. A hardware controllableinterface is also available. It is pin-compatible with theWM8736, (apart from RSTB pin which is typically unused).The WM8746 is an ideal device to interface to AC-3
,DTS
, and MPEG audio decoders for surround soundapplications, or for use in "universal" high definition audioplayers supporting DVD-A formats.