WM8773 datasheet(1/29 Pages) WOLFSON

부품명	WM8773

상세설명	24-bit, 96kHz ADC with 8 Channel I/P Multiplexer

PDF	29 Pages

Scroll/Zoom	100%

제조업체	WOLFSON [Wolfson Microelectronics plc]

홈페이지	http://www.wolfsonmicro.com

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WM8773

24-bit, 96kHz ADC with 8 Channel I/P Multiplexer

WOLFSON MICROELECTRONICS LTD

w :: www.wolfsonmicro.com

Product Preview, April 2002, Rev 1.0

Copyright

2002 Wolfson Microelectronics Ltd.

DESCRIPTION

The WM8773 is a high performance, stereo audio ADC with

an 8 channel input selector. The WM8773 is ideal for

digitising multiple analogue sources for surround sound

processing applications for home hi-fi, automotive and other

audio visual equipment.

A stereo 24-bit multi-bit sigma delta ADC is used with an

eight stereo channel input selector. Each channel has

analogue domain mute and programmable gain control.

Digital audio output word lengths from 16-32 bits and

sampling rates from 8kHz to 96kHz are supported.

The audio data interface supports I

2S, left justified, right

justified and DSP digital audio formats.

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 64-pin

TQFP package.

FEATURES

•

Audio Performance

−

102dB SNR (‘A’ weighted @ 48kHz) ADC

•

ADC Sampling Frequency: 8kHz – 96kHz

•

3-Wire SPI MPU Serial Control Interface

•

Master or Slave Clocking Mode

•

Programmable Audio Data Interface Modes

−

I

2S, Left, Right Justified or DSP

−

16/20/24/32 bit Word Lengths

•

Analogue Record Monitor Outputs

•

Eight stereo ADC inputs with analogue gain adjust from

+19dB to –12dB in 1dB steps

•

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

Operation

•

5V tolerant digital inputs

APPLICATIONS

•

Surround Sound AV Processors and Hi-Fi systems

•

Automotive Audio

BLOCK DIAGRAM

STEREO

ADC

AUDIO INTERFACE

AND

DIGITAL FILTERS

AIN2R

AIN3L

AIN3R

AIN4L

AIN4R

AIN5L

AIN5R

AIN6L

AIN6R

RECL

RECR

AINOPR

AINOPL

CONTROL INTERFACE

AIN2L

AIN1R

AIN1L

AIN7L

AIN7R

AIN8L

AIN8R

WM8773

MUTE

ADCLRC

BCLK

DOUT

MCLK

유사한 부품 번호 - WM8773

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Asahi Kasei Microsystem...	AK5384	238Kb / 21P	107 DB 24 BIT 96KHZ 4 CHANNEL ADC
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WM8773 데이터시트(PDF) 1 Page - Wolfson Microelectronics plc

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