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WM8706

Wolfson Microelectronics plc
Part Number WM8706
Manufacturer Wolfson Microelectronics plc
Description 24-bit/ 192kHz Stereo DAC with Volume Control
Published Apr 17, 2005
Detailed Description WM8706 24-bit, 192kHz Stereo DAC with Volume Control Product Preview, Rev 1.2, April 2001 DESCRIPTION The WM8706 is a ...
Datasheet PDF File WM8706 PDF File

WM8706
WM8706

Overview
WM8706 24-bit, 192kHz Stereo DAC with Volume Control Product Preview, Rev 1.
2, April 2001 DESCRIPTION The WM8706 is a high performance stereo DAC designed for audio applications such as DVD, home theatre systems, and digital TV.
The WM8706 supports data input word lengths from 16 to 32-bits and sampling rates up to 192kHz.
The WM8706 can implement 2 channels at 192kHz for highend DVD-Audio.
The WM8706 consists of a serial interface port, digital interpolation filters, multi-bit sigma delta modulators and stereo DAC in a small 28-pin SSOP package.
The WM8706 also includes a digitally controllable mute and attenuate function on each channel.
The WM8706 supports a variety of connection schemes for audio DAC control.
The MPU serial port provides access to a wide range of features including on-chip mute, attenuation and phase reversal.
A hardware controllable interface is also available.
It is pin-compatible with the WM8716 provided the oscillator circuit on WM8716 is not required in the application.
The WM8706 is an ideal device to interface to AC-3, DTS, and MPEG audio decoders for surround sound applications, or for use in DVD players supporting DVD-A.
BLOCK DIAGRAM FEATURES • Stereo DAC • Audio Performance - 106dB SNR (‘A’ weighted @ 48kHz) DAC - -97dB THD • DAC Sampling Frequency: 8kHz – 192kHz • 3-Wire Serial Control Interface or Hardware Control • Programmable Audio Data Interface Modes - I2S, Left, Right Justified, DSP - 16/20/24/32 bit Word Lengths • Independent Digital Volume Control on Each Channel with 127.
5dB Range in 0.
5dB Steps • 3.
0V – 5.
5V Supply Operation • 28-Pin SSOP Package • Exceeds Dolby Class A Performance Requirements APPLICATIONS • DVD-Audio and DVD ‘Universal’ Players • Home theatre systems • Digital TV • Digital broadcast receivers MODE MLIIS MCDM1 MDDM0 MUTEB CSBIWO ZERO CONTROL INTERFACE WM8706 BCKIN LRCIN DIN SERIAL INTERFACE MUTE/ ATTEN MUTE/ ATTEN DIGITAL FILTERS SIGMA DELTA MODULATOR SIGMA DELTA MODULATOR RIGHT DAC LEFT DAC...


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