Datasheet > WM8772

WM8772

更新时间： 2024-11-22 22:41:27

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
70页	678K
描述
24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL

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中文翻译

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WM8772 数据手册

WM8772

24-bit, 192kHz 6-Channel Codec with Volume Control

DESCRIPTION

FEATURES

•

Audio Performance

The WM8772 is a multi-channel audio codec ideal for DVD

and surround sound processing applications for home hi-fi,

automotive and other audio visual equipment.

−

103dB SNR (‘A’ weighted @ 48kHz) DAC

100dB SNR (‘A’ weighted @ 48kHz) ADC (TQFP)

•

DAC Sampling Frequency: 8kHz – 192kHz

ADC Sampling Frequency: 32kHz – 96kHz

A stereo 24-bit multi-bit sigma delta ADC is used. Digital

audio output word lengths from 16-32 bits and sampling

rates from 32kHz to 96kHz are supported. The 32-lead

version allows separate ADC and DAC samples rates.

ADC and DAC can run at different sample rates (32 pin

TQFP version only)

•

3-Wire SPI Serial or Hardware Control Interface

Programmable Audio Data Interface Modes

Three 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

•

Three Independent stereo DAC outputs with independent

digital volume controls

The audio data interface supports I²S, left justified, right

justified and DSP digital audio formats.

•

Master or Slave Audio Data Interface

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

Operation

The device is controlled via a 3 wire serial interface. The

interface provides access to all features including channel

selection, volume controls, mutes, de-emphasis and power

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

SSOP or 32 pin TQFP.

•

28 pin SSOP or 32 pin TQFP Package

APPLICATIONS

•

DVD Players

Surround Sound AV Processors and Hi-Fi systems

Automotive Audio

BLOCK DIAGRAM - 28 PIN SSOP

VREFNVREFP

LOW

PASS

FILTER

VOUT1L

VOUT1R

STEREO

DAC

VREFN

AUDIO

INTERFACE

AINL

AINR

VOUT2L

VOUT2R

LOW

PASS

FILTER

STEREO

ADC

STEREO

DAC

DIGITAL FILTERS

VOUT3L

VOUT3R

LOW

PASS

FILTER

STEREO

DAC

WM8772EDS

CONTROL INTERFACE

WOLFSON MICROELECTRONICS plc

Production Data, October 2004, Rev 4.1

w :: www.wolfsonmicro.com

12 3 4 5 6 7...70

中文翻译

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与WM8772相关器件

型号	品牌	获取价格	描述	数据表
WM8772_05	WOLFSON	获取价格	24-bit, 192kHz 6-Channel Codec with Volume Control
WM8772EDS	CIRRUS	获取价格	PCM Codec, 1-Func, CMOS, PDSO28, 10.20 X 5.30 MM, 1.75 MM HEIGHT, MO-150AH, SSOP-28
WM8772EDS/R	CIRRUS	获取价格	PCM Codec, 1-Func, CMOS, PDSO28, 10.20 X 5.30 MM, 1.75 MM HEIGHT, MO-150AH, SSOP-28
WM8772EFT	WOLFSON	获取价格	24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL
WM8772EFT/R	WOLFSON	获取价格	24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL
WM8772SEDS	CIRRUS	获取价格	PCM Codec, 1-Func, CMOS, PDSO28, 10.20 X 5.30 MM, 1.75 MM HEIGHT, LEAD FREE, MO-150AH, SSO
WM8772SEDS/R	CIRRUS	获取价格	PCM Codec, 1-Func, CMOS, PDSO28, 10.20 X 5.30 MM, 1.75 MM HEIGHT, LEAD FREE, MO-150AH, SSO
WM8772SEDS/RV	WOLFSON	获取价格	24-bit, 192kHz 6-Channel Codec with Volume Control
WM8772SEDS/V	WOLFSON	获取价格	24-bit, 192kHz 6-Channel Codec with Volume Control
WM8772SEFT	WOLFSON	获取价格	24 BIT 192KHZ 6 CHANNEL CODEC WITH VOLUME CONTROL

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