Datasheet > CS4294/CS4298

CS4294/CS4298

更新时间： 2022-12-14 19:52:24

品牌	Logo	应用领域
凌云 - CIRRUS		解码器编解码器放大器
页数	文件大小	规格书
66页	1241K
描述
Audio Codec ’97 with Headphone Amplifier

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CS4294/CS4298 数据手册

CS4202

Audio Codec ’97 with Headphone Amplifier

! Sample Rate Converters

Features

! Three Analog Line-level Stereo Inputs

! High Quality Pseudo-Differential CD Input

! Two Analog Line-level Mono Inputs

! Dual Microphone Inputs

! Stereo and Mono Line-level Outputs

! Extensive Power Management Support

! AC ’97 2.2 Compliant

! Exceeds the Microsoft^®PC 2001 Audio

Performance Requirements

! Integrated High-Performance Headphone

Amplifier

! On-chip PLL for use with External Clock

Sources

Description

! Integrated High-Performance Microphone

Pre-Amplifier

The CS4202 is an AC ’97 2.2 compliant stereo audio co-

dec designed for PC multimedia systems. It uses

industry leading delta-sigma and mixed signal technolo-

gy. This advanced technology and these features are

designed to help enable the design of PC 99 and

PC 2001 compliant high-quality audio systems for desk-

top, portable, and entertainment PCs.

! Automatic Jack Sense through GPIO

! BIOS-Driver Interface for Audio Feature

Configuration through Software

! S/PDIF Digital Audio Output

Coupling the CS4202 with a PCI audio accelerator or

core logic supporting the AC ’97 interface implements a

cost effective, superior quality audio solution. The

CS4202 surpasses PC 99, PC 2001, and AC ’97 2.2 au-

dio quality standards.

! I S Serial Digital Outputs Enable Cost

Effective Six Channel Applications

! Independent Simultaneous S/PDIF and Six

Channel Audio Playback

! 20-bit Stereo Digital-to-Analog Converters

! 18-bit Stereo Analog-to-Digital Converters

ORDERING INFO

CS4202-JQZ, Lead Free 48-pin TQFP 9x9x1.4 mm

AC-LINK AND AC '97

REGISTERS

ANALOG INPUT MUX

AND OUTPUT MIXER

PWR

TEST

LINE

MGT

18 bit

ADC

INPUT

MUX

SRC

PCM_DATA

SYNC

AUX

BIT_CLK

VIDEO

AC-

LINK

SDATA_OUT

SDATA_IN

RESET#

MIC1

MIC2

INPUT

MIXER

GAIN / MUTE CONTROLS

MIXER / MUX SELECTS

ID0#

ID1#

PHONE

AC '97

REGISTERS

PC_BEEP

OUTPUT

MIXER

LINE_OUT

HP_OUT

EAPD

SPDIF_OUT

GPIO, S/PDIF

SERIAL DATA PORT

20 bit

DAC

SRC

PCM_DATA

MONO_OUT

GPIO[4:0]

SDOUT,LRCLK,SCLK

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

Preliminary Product Information

JULY '05

DS549PP2

http://www.cirrus.com

12 3 4 5 6 7...66

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