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WM8736 Datasheet(PDF) 1 Page - Wolfson Microelectronics plc |
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WM8736 Datasheet(HTML) 1 Page - Wolfson Microelectronics plc |
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1 / 17 page  WM8736 24-bit, 96kHz 6-Channel DAC with Volume Control Production Data, January 2001, Rev 2.1 WOLFSON MICROELECTRONICS LTD Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK Tel: +44 (0) 131 667 9386 Fax: +44 (0) 131 667 5176 Email: sales@wolfson.co.uk www.wolfsonmicro.com Production Data Datasheets contain final specifications current on publication date. Supply of products conforms to Wolfson Microelectronics’ Terms and Conditions. 2001 Wolfson Microelectronics Ltd . DESCRIPTION The WM8736 is a high performance 6-channel DAC designed for audio applications such as DVD, home theatre systems, and digital TV. The WM8736 supports data input word lengths from 16 to 24-bits and sampling rates up to 96kHz. The WM8736 consists of a serial interface port, digital interpolation filters, multi-bit sigma delta modulators and 6 DACs in a small 28-pin SSOP package. The WM8736 also includes a digitally controllable mute and attenuator function on each channel. The WM8736 supports a variety of connection schemes for audio DAC control. The SPI-compatible 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 WM8736 is an ideal device to interface to AC-3 , DTS , and MPEG audio decoders for surround sound applications. FEATURES • 6-channel DAC • Performance: − 102dB SNR (‘A’ weighted @ 48kHz), THD+N: -95dB at full scale • 5V or 3.3V supply operation • Sampling frequency: 8kHz to 96kHz • Input data word: 16 to 24-bit • Hardware or SPI compatible serial port control modes: − Hardware mode: system clock, reset, mute − Serial control mode: mute, de-emphasis, digital attenuation (256 steps), zero mute, power down APPLICATIONS • DVD • Home theatre systems • Digital TV • Digital broadcast receivers BLOCK DIAGRAM SERIAL INTERFACE MUTE/ ATTEN SIGMA DELTA MODULATOR BCKIN (3) LRCIN (4) (1) DVDD (28) AVDD2 (16) CAP ML/I2S (12) RSTB (10) MD/DM (14) MODE (8) MC/IWL (13) MUTE (9) (11) DGND MUTE/ ATTEN SIGMA DELTA MODULATOR (17) OUT2L (19) OUT2R MUTE/ ATTEN SIGMA DELTA MODULATOR STEREO DAC DIGITAL FILTERS SCKI (2) 256fs/384fs/512fs DIN0 (5) DIN1 (6) DIN2 (7) (20) AGND1 (24) AGND2 (18) GR2 (21) OUT1L (23) OUT1R (22) GR1 STEREO DAC (25) OUT0L (27) OUT0R (26) GR0 STEREO DAC CONTROL INTERFACE (15) AVDD1 WM8736 |
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