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參數(shù)資料
| 型號： | WM8706 |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | 24-bit, 192kHz Stereo DAC with Volume Control |
| 中文描述： | 24位，192kHz的帶有音量控制的立體聲DAC |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 237K |
| 代理商： | WM8706 |
WM8706
24-bit, 192kHz Stereo DAC with Volume Control
Product Preview, Rev 1.2, April 2001
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
Product Preview
data sheets contain
specifications for products in the formative
phase of development. These products may
be changed or discontinued without notice.
2001 Wolfson Microelectronics Ltd
.
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 high-
end 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.
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
-
I
2
S, 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
BLOCK DIAGRAM
BCKIN
SERIAL
INTERFACE
MUTE/
ATTEN
CONTROL INTERFACE
VOUTL
VOUTR
SIGMA
DELTA
MODULATOR
LRCIN
DIN
MUTE/
ATTEN
SIGMA
DELTA
MODULATOR
DIGITAL FILTERS
XTI
DVDD
AVDD
AGND
DGND
MUTEB
MDDM0
MCDM1
MLIIS
MODE
CSBIWO
ZERO
LOW
PASS
FILTER
LOW
PASS
FILTER
VMID
RIGHT
DAC
LEFT
DAC
VREFN
VREFP
WM8706
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WM8706_05 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz Stereo DAC with Volume Control |
| WM8706SEDS | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| WM8706SEDS/R | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| WM8711 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Internet Audio DAC with Integrated Headphone Amplifier |
| WM8711_06 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Internet Audio DAC with Integrated Headphone Amplifier |
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