Datasheet > WM8706

WM8706

更新时间： 2024-11-21 22:35:43

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
24页	237K
描述
24-bit, 192kHz Stereo DAC with Volume Control

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WM8706 数据手册

WM8706

24-bit, 192kHz Stereo DAC with Volume Control

Product Preview, Rev 1.2, April 2001

DESCRIPTION

FEATURES

•

Stereo DAC

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.

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

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.

•

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

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.

•

DVD-Audio and DVD ‘Universal’ Players

Home theatre systems

Digital TV

Digital broadcast receivers

BLOCK DIAGRAM

MLIIS

MCDM1 MDDM0 MUTEB CSBIWO ZERO

MODE

WM8706

CONTROL INTERFACE

SIGMA

DELTA

MODULATOR

LOW

PASS

FILTER

RIGHT

DAC

MUTE/

ATTEN

VOUTR

VOUTL

BCKIN

LRCIN

DIN

SERIAL

INTERFACE

DIGITAL FILTERS

SIGMA

DELTA

MODULATOR

LOW

PASS

FILTER

LEFT

DAC

MUTE/

ATTEN

VMID

XTI

DGND

AVDD DVDD

VREFP VREFN AGND

WOLFSON MICROELECTRONICS LTD

Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK

Tel: +44 (0) 131 667 9386

Product Preview data sheets contain

specifications for products in the formative

phase of development. These products may

be changed or discontinued without notice.

Fax: +44 (0) 131 667 5176

Email: sales@wolfson.co.uk

www.wolfsonmicro.com

2001 Wolfson Microelectronics Ltd.

12 3 4 5 6 7...24

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与WM8706相关器件

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WM8706_05	WOLFSON	获取价格	24-bit, 192kHz Stereo DAC with Volume Control
WM8706SEDS	WOLFSON	获取价格	24-bit, 192kHz Stereo DAC with Volume Control
WM8706SEDS/R	WOLFSON	获取价格	24-bit, 192kHz Stereo DAC with Volume Control
WM8711	WOLFSON	获取价格	Internet Audio DAC with Integrated Headphone Driver
WM8711_06	WOLFSON	获取价格	Internet Audio DAC with Integrated Headphone Amplifier
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WM8711BL	WOLFSON	获取价格	Ultra-Small Audio DAC with Headphone Amplifier
WM8711BL_07	WOLFSON	获取价格	Ultra-Small Audio DAC with Headphone Amplifier
WM8711BL_11	WOLFSON	获取价格	Ultra-Small Audio DAC with Headphone Amplifier
WM8711BLGEFL/RV	WOLFSON	获取价格	Ultra-Small Audio DAC with Headphone Amplifier

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