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CS4202-JQ

Audio Codec ’97 with Headphone Amplifier

Cirrus Logic 

CS4202

Audio Codec ’97 with Headphone Amplifier

Features

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

Integrated High-Performance Microphone

Pre-Amplifier

Automatic Jack Sense through GPIO

BIOS-Driver Interface for Audio Feature

Configuration through Software

S/PDIF Digital Audio Output

I2S 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

Sample Rate Converters

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

Description

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.

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.

ORDERING INFO

CS4202-JQ 48-pin TQFP 9x9x1.4 mm

SYNC

BIT_CLK

SDATA_OUT

SDATA_IN

RESET#

ID0#

ID1#

EAPD

SPDIF_OUT

GPIO[4:0]

SDOUT,LRCLK,SCLK

AC-LINK AND AC '97

REGISTERS

TEST

PW R

MGT

AC-

LINK

AC '97

REGISTERS

GPIO, S/PDIF

SERIAL DATA PORT

ANALOG INPUT MUX

AND OUTPUT MIXER

SRC

PCM_DATA

GAIN / MUTE CONTROLS

MIXER / MUX SELECTS

18 bit

ADC

INPUT

MUX

INPUT

MIXER

Σ

OUTPUT

MIXER

SRC

PCM_DATA

20 bit

DAC

Σ

LINE

CD

AUX

VIDEO

MIC1

MIC2

PHONE

PC_BEEP

LINE_OUT

HP_OUT

MONO_OUT

Preliminary Product Information

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.cirrus.com

This document contains information for a new product.

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

© Copyright Cirrus Logic, Inc. 2002

(All Rights Reserved)

MAY ’02

DS549PP1

1

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