CS4227 Datasheet, PDF (1/36 Pages) Cirrus Logic – Six Channel, 20-Bit Codec

CS4227
Six Channel, 20-Bit Codec
Features
l Stereo 20-bit A/D Converters
l Six 20-bit D/A Converters
l 108 dB DAC Signal-to-Noise Ratio (EIAJ)
l Mono 20-bit A/D Converter
l Programmable Input Gain & Output
Attenuation
l On-chip Anti-aliasing and Output Smoothing
Filters
l De-emphasis for 32 kHz, 44.1 kHz, 48 kHz
I
Description
The CS4227 is a single-chip codec providing stereo an-
alog-to-digital and six digital-to-analog converters using
delta-sigma conversion techniques. This +5 V device
also contains volume controls that are independently se-
lectable for each of the six D/A channels. Applications
include Dolby^® Pro-logic™, THX^®, and Dolby Digital AC-
3™ home theater systems, DSP based car audio sys-
tems, and other multi-channel applications.
ORDERING INFORMATION
CS4227-KQ -10° to +70° C 44-pin TQFP
CS4227-BQ -40° to +85° C 44-pin TQFP
CDB4227
Evaluation Board
SCL/CCLK SDA/CDOUT AD1/CDIN AD0/CS SPI/I²C VD+ VA+
PDN
LRCK
SCLK
SDIN1
SDIN2
SDIN3
SDOUT1
SDOUT2
OVL
DEM
Control Port
Voltage
Reference
CMOUT
DAC#1
Volume
Control
AOUT1
DAC#2
Volume
Control
AOUT2
DAC#3
Volume
Control
AOUT3
DAC#4
Volume
Control
AOUT4
DAC#5
Volume
Control
AOUT5
MUX
DEM
Clock Osc/
Divider
DAC#6
Mono
ADC
Left
ADC
Right
ADC
Volume
Control
Auxiliary Input
AOUT6
AINAUX
AIN1L
AIN1R
AIN2L
AIN2R
AIN3L
AIN3R
AGND1
AGND2
CLKOUT XTI XTO
HOLD DATAUX LRCKAUX SCLKAUX DGND1 DGND2
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
P.O. Box 17847, Austin, Texas 78760
[phone] FAX: [phone]
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 1999
(All Rights Reserved)
SEP ‘99
DS281PP2
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