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CS4222 Arkusz danych(PDF) 1 Page - Cirrus Logic |
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CS4222 Arkusz danych(HTML) 1 Page - Cirrus Logic |
1 / 26 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. 1997 (All Rights Reserved) Cirrus Logic, Inc. Crystal Semiconductor Products Division P.O. Box 17847, Austin, Texas 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.crystal.com CS4222 20-Bit Stereo Audio Codec with Volume Control Features l 99 dB 20-bit A/D Converters l 99 dB 20-bit D/A Converters l 110 dB DAC Signal-to-Noise Ratio (EIAJ) l Analog Volume Control - 0.5 dB Step Resolution - 113.5 dB Attenuation l Soft Mute Capability l Differential Inputs/Outputs l On-chip Anti-aliasing and Output Smoothing Filters l De-emphasis for 32, 44.1 and 48 kHz l Stand-Alone or Control Port Mode l Single +5 V power supply Description The CS4222 is a highly integrated, high performance, 20-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 CS4222 also includes an analog volume control ca- pable of 113.5 dB attenuation in 0.5 dB resolution. The analog volume control architecture preserves dynamic range during attenuation. Volume control changes are implemented using a "soft" ramping or zero crossing technique. Applications include reverb processors, musical instru- ments, DAT, and multitrack recorders. The CS4222 is packaged in a 28-pin plastic SSOP. ORDERING INFORMATION CS4222-KS -10° to +70° C 28-pin SSOP CDB4222 Evaluation Board I RST DGND SCL/CCLK DEM1 DEM0 SDA/CDIN AD0/CS AGND SMUTE VD AOUTL+ LRCK SCLK SDIN SDOUT Control Port Right DAC Left DAC Right ADC Left ADC Volume Control Volume Control MCLK VA AOUTL- AOUTR+ AOUTR- AINL- AINL+ AINR- AINR+ JAN ‘97 DS236PP3 |
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