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WM8728SEDS/R Datasheet(PDF) 1 Page - Wolfson Microelectronics plc |
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WM8728SEDS/R Datasheet(HTML) 1 Page - Wolfson Microelectronics plc |
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1 / 28 page  w WM8728 24-bit, 192kHz Stereo DAC with Volume Control WOLFSON MICROELECTRONICS plc w :: www.wolfsonmicro.com Production Data, April 2004, Rev 4.2 Copyright 2004 Wolfson Microelectronics plc DESCRIPTION The WM8728 is a high performance stereo DAC designed for audio applications such as DVD, home theatre systems, and digital TV. The WM8728 supports PCM data input word lengths from 16 to 32-bits and sampling rates up to 192kHz. The WM8728 consists of a serial interface port, digital interpolation filters, multi-bit sigma delta modulators and stereo DAC in a small 20-pin SSOP package. The WM8728 also includes a digitally controllable mute and attenuate function for each channel. The WM8728 supports a variety of connection schemes for audio DAC control. The 2 or 3-wire 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 The WM8728 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. FEATURES • Stereo DAC with 24 bit PCM • Audio Performance - 106dB SNR (‘A’ weighted @ 48kHz) DAC - -97dB THD • DAC Sampling Frequency: 8kHz - 192kHz • 2 or 3-Wire Serial Control Interface or Hardware Control • Programmable Audio Data Interface Modes - I 2S, 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 • 20-pin SSOP Package • Exceeds Dolby Class A Performance Requirements APPLICATIONS • DVD-Audio and DVD ‘Universal’ Players • Home theatre systems • Digital TV • Digital broadcast receivers BLOCK DIAGRAM |
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