WM8569_06 Wolfson Microelectronics Ltd., WM8569_06 Datasheet

WM8569_06

Manufacturer Part Number

WM8569_06

Description

24-bit, 192khz Stereo Codec with Volume Control

Manufacturer

Wolfson Microelectronics Ltd.

Datasheet

1.WM8569_06.pdf (36 pages)

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DESCRIPTION

The WM8569 is a stereo audio codec ideal for DVD, PVR,

LCD-TV and automotive applications. Independent ADC

and DAC clocking permits separate record and playback

sampling rates.

A stereo 24-bit multi-bit sigma delta DAC with oversampling

and digital interpolation filters provides the output signal.

Digital audio input word lengths from 16-24 bits and

sampling rates from 8kHz to 192kHz are supported.

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

audio output word lengths from 16-24 bits and sampling

rates from 32kHz to 96kHz are supported. The DAC and

ADC support independent sampling rates.

The audio data interface supports I

justified and DSP digital audio formats.

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

interface provides access to all features including volume

controls, mutes, de-emphasis and power management

facilities. A hardware control interface allows access to a

limited feature set. The WM8569 is available in a 28-lead

SSOP.

BLOCK DIAGRAM

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24-bit, 192kHz Stereo CODEC with Volume Control

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S, left justified, right

FEATURES

APPLICATIONS

DVD Recorder

Personal Video Recorder

PC Sound Card

Automotive Audio

LCD-TV

Audio Performance

Independent Sampling Rates for ADC and DAC

3-wire SPI Serial or Hardware Control Interface

Audio Mute and De-Emphasis Functions

Programmable Audio Data Interface Modes

2.7V to 5.5V Analogue Supply

2.7V to 3.6V Digital Supply

28-lead SSOP Package

103dB SNR (‘A’ weighted @ 48kHz) DAC

DAC Sampling Frequency: 8kHz – 192kHz

100dB SNR (‘A’ weighted @ 48kHz) ADC

ADC Sampling Frequency: 32kHz – 96kHz

16/20/24/32 bit Word Lengths

S, Left, Right Justified or DSP

Production Data, June 2006, Rev 4.0

2006 Wolfson Microelectronics plc

WM8569

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