CS4226_04 Datasheet, PDF (1/37 Pages) Cirrus Logic – Surround Sound Codec

CS4226
Surround Sound Codec
Features
Stereo 20-bit A/D converters
Six 20-bit D/A converters
S/PDIF receiver
– AC-3 & MPEG auto-detect capability
108 dB DAC signal-to-noise ratio (EIAJ)
Mono 20-bit A/D converter
Programmable Input gain & output
attenuation
On-chip anti-aliasing and output smoothing
filters
De-emphasis for 32 kHz, 44.1 kHz, 48 kHz
I
Description
The CS4226 is a single-chip codec providing stereo an-
alog-to-digital and six digital-to-analog converters using
Delta-Sigma conversion techniques. This +5V device
also contains volume control independently selectable
for each of the six D/A channels. An S/PDIF receiver is
included as a digital input channel. Applications include
® ® ® Dolby Pro-logic , Dolby Digital AC-3 , THX and
® DTS home theater systems, DSP based car audio sys-
tems, and other multi-channel applications.
ORDERING INFORMATION
CS4226-KQ -10° to +70° C 44-pin TQFP
CS4226-KQZ -10° to +70° C 44-pin TQFP Lead Free
CS4226-BQ -40° to +85° C 44-pin TQFP
CS4226-BQZ -40° to +85° C 44-pin TQFP Lead Free
CS4226-DQ -40° to +85° C 44-pin TQFP
CDB4226
Evaluation Board
SCL/CCLK SDA/CDOUT AD1/CDIN AD0/CS I²C/SPI VD+ VA+
PDN
LRCK
SCLK
SDIN1
SDIN2
SDIN3
SDOUT1
SDOUT2
OVL/ERR
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
CLKOUT XTI XTO
DAC#6
Mono
ADC
Left
ADC
Right
ADC
Volume
Control
PLL
S/PDIF RX/Auxiliary Input
AOUT6
AINAUX
AIN1L
AIN1R
AIN2L/FREQ0
AIN2R/FREQ1
AIN3L/AUTODATA
AIN3R/AUDIO
AGND1
AGND2
FILT HOLD/RUBIT LRCKAUX/RX3
RX1 DGND1 DGND2
DATAUX/RX4 SCLKAUX/RX2
www.cirrus.com
© Copyright Cirrus Logic, Inc. 2004
(All Rights Reserved)
NOV ‘04
DS188F4
1