Datasheet > WM8768

WM8768

更新时间： 2024-01-27 07:12:57

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
38页	393K
描述
24-bit, 192kHz 8-Channel DAC

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中文翻译

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技术参数
数据手册

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WM8768 技术参数

生命周期：	Transferred	Reach Compliance Code：	unknown
风险等级：	5.58	Base Number Matches：	1

WM8768 数据手册

WM8768

24-bit, 192kHz 8-Channel DAC

DESCRIPTION

FEATURES

•

8-Channel DAC with PCM.

Audio Performance

103dB SNR (‘A’ weighted @ 48kHz) DAC

The WM8768 is a multi-channel audio DAC ideal for DVD

and surround sound processing applications for home hi-fi,

automotive and other audio visual equipment.

−

•

DAC Sampling Frequency: 8kHz – 192kHz

3-Wire SPI Serial or Hardware Control Interface

Programmable Audio Data Interface Modes

Four stereo 24-bit multi-bit sigma delta DACs are used with

oversampling digital interpolation filters. Digital audio input

word lengths from 16-32 bits and sampling rates from 8kHz

to 192kHz are supported. Each DAC channel has

independent digital volume and mute control.

−

I²S, Left, Right Justified or DSP

16/20/24/32 bit Word Lengths

The audio data interface supports I²S, left justified, right

justified and DSP digital audio formats.

•

Four Independent stereo DAC outputs with independent

digital volume controls

•

Master or Slave Audio Data Interface

The device is controlled either via a 3 wire serial interface or

directly using the hardware interface. These interfaces

provide access to features including channel selection,

volume controls, mutes, de-emphasis and power

management facilities. The device is available in a 28-pin

SSOP.

2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply

Operation

•

28 pin SSOP Package

APPLICATIONS

•

DVD Players

Surround Sound AV Processors and Hi-Fi systems

Automotive Audio

BLOCK DIAGRAM

VREFNVREFP

LOW

PASS

FILTER

VOUT1L

VOUT1R

STEREO

DAC

MCLK

LRCLK

BCLK

VOUT2L

VOUT2R

LOW

PASS

FILTER

STEREO

DAC

DIGITAL AUDIO

INTERFACE

DIN1

DIN2

DIN3

DIN4

VOUT3L

VOUT3R

LOW

PASS

FILTER

DIGITAL FILTERS

STEREO

DAC

VOUT4L

VOUT4R

LOW

PASS

FILTER

STEREO

DAC

CONTROL INTERFACE

WM8768

WOLFSON MICROELECTRONICS plc

Production Data, March 2005, Rev 4.1

w :: www.wolfsonmicro.com

12 3 4 5 6 7...38

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