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CDB4227 Datasheet(PDF) 1 Page - Cirrus Logic |
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CDB4227 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 36 page  Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. 1 Copyright © Cirrus Logic, Inc. 1999 (All Rights Reserved) P.O. Box 17847, Austin, Texas 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.cirrus.com 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 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 I SCL/CCLK DEM SDA/CDOUT VD+ AOUT1 LRCK SCLK SDIN1 SDOUT1 Control Port DAC#1 Right ADC Left ADC Volume Control VA+ AOUT2 AIN1L AIN1R SDIN2 SDOUT2 OVL DAC#4 DAC#2 DAC#3 DEM MUX Clock Osc/ Divider CLKOUT XTI XTO Volume Control Volume Control Volume Control LRCKAUX SCLKAUX DGND1 DGND2 Auxiliary Input AOUT3 AOUT4 Voltage Reference AIN2L AIN2R AIN3L AIN3R AGND2 SDIN3 PDN AD1/CDIN AD0/CS SPI/I2C CMOUT DAC#6 DAC#5 Volume Control Volume Control AOUT5 AOUT6 Mono ADC AINAUX AGND1 DATAUX HOLD SEP ‘99 DS281PP2 |
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