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參數資料
| 型號： | WM8756 |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | 192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC |
| 中文描述： | 192kHz的六聲道SACD的兼容的音頻數模轉換器 |
| 文件頁數： | 1/39頁 |
| 文件大小： | 330K |
| 代理商： | WM8756 |
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WM8756
192kHz, Six Channel SACD Compatible Audio DAC
WOLFSON MICROELECTRONICS LTD
www.wolfsonmicro.com
Advance Information October 2001, Rev 1.3
Copyright
2001 Wolfson Microelectronics Ltd
.
DESCRIPTION
The WM8756 is a high performance 6-channel DAC
designed for audio applications such as SACD players,
DVD-V and DVD-A, home audio and theatre systems. The
device supports data input word lengths from 16 to 32-bits
and sampling rates up to 192kHz. The WM8756 can
implement 2 or 6 channels at 192kHz for high-end DVD-
Audio, or 6 channels at up to 192kHz for surround
applications. Additionally 64x DSD bitstream support is
offered on all 6 channels. The WM8756 consists of a serial
interface port, digital interpolation filters, multi-bit sigma
delta modulators and 6 DACs in a 48-pin TQFP package.
The WM8756 also includes a digitally controllable mute and
attenuator function on each channel, accessible during
PCM operation. An on-chip multiplexer selects between
PCM or DSD audio data input pins.
The WM8756 supports hardware or software connection
schemes for audio DAC control. The serial control interface
provides access to a wide range of features including on-
chip mute, attenuation and phase reversal. Hardware pin-
controllable operation is also available.
The WM8756 is an ideal device for all surround sound
applications supporting the SACD audio format, such as
SACD
players,
multi-format
entertainment systems.
players
and
home
FEATURES
6-Channel DAC with PCM or Bitstream (DSD) operation.
DSD 64x Bitstream Support for Super Audio CD
Independent input pins for PCM and DSD data with on-
chip multiplexer
THD –96dB, SNR 106dB (‘A’ weighted @ 48kHz)
PCM mode Sampling Rate: 8kHz – 192kHz
Master or slave operation with Normal or Phase
modulation method of DSD data transfer
3-Wire Serial Control Interface
Programmable PCM Audio Data Interface Modes
I
2
S, Left, Right Justified or DSP
16/20/24/32 bit Word Lengths
Independent Digital Volume Control on Each Channel with
127.5dB Range in 0.5dB Steps (in PCM mode)
3.0V – 5.5V Supply (3.3V digital / 5V analogue option)
48-pin TQFP Package
APPLICATIONS
Super Audio CD (SACD) Players
Universal and Multi-Format disc players
Home theatre systems
BLOCK DIAGRAM
CONTROL
INTERFACE
DIGITAL
FILTERS
MOSIGMA
MOSIGMA
MUX
MUX
PCM/DSD
DIGITAL
FILTERS
MOSIGMA
MOSIGMA
MUX
MUX
PCM/DSD
DIGITAL
FILTERS
MOSIGMA
MOSIGMA
MUX
MUX
PCM/DSD
INAUDIO
PCM
DATA
DSD
DATA
LOW
FILTER
LOW
RIGHT
LEFT
BCKIN
LRCIN
LRCIN2
DSD4
DSD5
DSD3
DSD2
DSD1
DSD0
DSDCLK64
DIN2
DIN1
DIN0
DSDCLK128
CSB
DMCKSE
L
DMSLV
MUTE
MODE
SCKI
DSDB
MD/DM
MC/IWL
ML/I2S
OUT0R
OUT2L
GR2
OUT2R
OUT1L
GR1
OUT1R
OUT0L
GR0
LOW
LOW
RIGHT
LEFT
LOW
LOW
RIGHT
LEFT
AGND3
DGND
AVDD1
AGND1
AVDD2
AGND2
DVDD
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| WM8768GEDS | 24-bit, 192kHz 8-Channel DAC |
| WM8768 | 24-bit, 192kHz 8-Channel DAC |
| WM8768EDS | 24-bit, 192kHz 8-Channel DAC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| WM8756EFT | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC |
| WM-875-899-PK | 制造商:Brady Corporation 功能描述:CONSECUTIVE NOS. - LEGEND: 875-899 |
| WM8758B | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Stereo CODEC with Headphone Driver and Line Out |
| WM8758BGEFL/RV | 功能描述:接口—CODEC Stereo CODEC plus PCM CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| WM8758BGEFL/V | 功能描述:接口—CODEC Stereo CODEC plus PCM CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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