CS4201 Datasheet, PDF (1/68 Pages) Cirrus Logic – CrystalClear Audio Codec 97 with headphone Amplifier

CS4201
CrystalClear^ Audio Codec ’97 with Headphone Amplifier
Features
l Integrated High-Performance Headphone
Amplifier
l On-chip PLL for use with External Clock
Sources
l Sample Rate Converters
l S/PDIF Digital Audio Output
l AC ’97 2.1 Compliant
l 20-bit Stereo Digital-to-Analog Converters
l 18-bit Stereo Analog-to-Digital Converters
l Three Analog Line-level Stereo Inputs for
LINE IN, VIDEO, and AUX
l Two Analog Line-level Mono Inputs for
Modem and PC Beep
l Dual Microphone Inputs
l High Quality Pseudo-Differential CD Input
l Integrated High-Performance Microphone
Pre-Amplifier
l Separate Stereo Line-level Output
l Extensive Power Management Support
l Meets or Exceeds the Microsoft^ PC 99 and
PC 2001 Audio Performance Requirements
l CrystalClear^ 3D Stereo Enhancement
l I²S Serial Digital Outputs Enable Cost
Effective Six Channel Applications
Description
The CS4201 is an AC ’97 2.1 compliant stereo audio co-
dec designed for PC multimedia systems. It uses
industry leading CrystalClear^ delta-sigma and mixed
signal technology. 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
desktop, portable, and entertainment PCs.
Coupling the CS4201 with a PCI audio accelerator or
core logic supporting the AC ’97 interface, implements a
cost effective, superior quality audio solution. The
CS4201 surpasses PC 99, PC 2001, and AC ’97 2.1 au-
dio quality standards.
ORDERING INFO
CS4201-JQ 48-pin TQFP 9x9x1.4 mm
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
RESET#
ID0#
ID1#
GPIO0/LRCLK
GPIO1/SDOUT
EAPD/SCLK
SPDO/SDO2
AC-LINK AND AC ’97
REGISTERS
TEST
PWR
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
SRC
PCM_DATA
18 bit
ADC
INPUT
MUX
INPUT
MIXER
Σ
3D Stereo
Enhancement
OUTPUT
MIXER
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
[phone] FAX: [phone]
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. 2001
(All Rights Reserved)
APR ‘01
DS483PP3
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