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CS4223 데이터시트(PDF) 1 Page - Cirrus Logic |
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1 / 32 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 24-Bit 105 dB Audio Codec with Volume Control Features l 105 dB Dynamic Range A/D Converters l 105 dB Dynamic Range D/A Converters l 110 dB DAC Signal-to-Noise Ratio (EIAJ) l Analog Volume Control (CS4224 only) l Differential Inputs / Outputs l On-chip Anti-aliasing and Output Smoothing Filters l De-emphasis for 32, 44.1 and 48 kHz l Supports Master and Slave Modes l Single +5 V power supply l On-Chip Crystal Oscillator l 3 - 5 V Digital Interface Description The CS4223/4 is a highly integrated, high performance, 24-bit, audio codec providing stereo analog-to-digital and stereo digital-to-analog converters using delta-sig- ma conversion techniques. The device operates from a single +5 V power supply, and features low power con- sumption. Selectable de-emphasis filter for 32, 44.1, and 48 kHz sample rates is also included. The CS4224 includes an analog volume control capable of 113.5 dB attenuation in 0.5 dB steps. The analog vol- ume control architecture preserves dynamic range during attenuation. Volume control changes are imple- mented using a “soft” ramping or zero crossing technique. Applications include digital effects processors, DAT, and multitrack recorders. ORDERING INFORMATION CS4223-KS -10 to +70 °C 28-pin SSOP CS4223-BS -40 to +85 °C 28-pin SSOP CS4224-KS -10 to +70 °C 28-pin SSOP CS4224-BS -40 to +85 °C 28-pin SSOP CDB4223/4 Evaluation Board I SCL/CCLK SDA/CDIN AD0/CS MCLK VD VA RST LRCK SCLK SDIN SDOUT DGND AGND AOUTL+ AOUTL- AOUTR+ AOUTR- AINL- AINL+ AINR- AINR+ Control Port Left DAC Right DAC Voltage Reference Left ADC Right ADC Volume Control (DIF1)(DIF0)(DEM0) I C/SPI (DEM1) 2 Clock OSC ( ) = CS4223 Volume Control VL XTI XTO * = CS4224 * * APR ‘00 DS290PP3 CS4223 CS4224 |
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