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CS4382A Datasheet(PDF) 1 Page - Cirrus Logic |
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CS4382A Datasheet(HTML) 1 Page - Cirrus Logic |
1 / 47 page Copyright © Cirrus Logic, Inc. 2005 (All Rights Reserved) Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. http://www.cirrus.com 114 dB, 192 kHz 8-Channel D/A Converter Features ! Advanced Multi-bit Delta Sigma Architecture ! 24-bit Conversion ! Up to 192 kHz Sample Rates ! 114 dB Dynamic Range ! -100 dB THD+N ! Direct Stream Digital Mode ! On-Chip 50 kHz Filter ! Matched PCM and DSD Analog Output Levels ! Selectable Digital Filters ! Volume Control with 1-dB Step Size and Soft Ramp ! Low Clock-Jitter Sensitivity ! +5 V Analog Supply, +2.5 V Digital Supply ! Separate 1.8 to 5 V Logic Supplies for the Control & Serial Ports Description The CS4382A is a complete 8-channel digital-to-analog system. This D/A system includes digital de-emphasis, one-dB step size volume control, ATAPI channel mix- ing, selectable fast and slow digital interpolation filters followed by an oversampled, multi-bit delta sigma mod- ulator whitch includes mismatch shaping technology that eliminates distortion due to capacitor mismatch. Following this stage is a multi-element switched capac- itor stage and low-pass filter with differential analog outputs. The CS4382A also has a proprietary DSD processor which allows for 50 kHz on-chip filtering without an in- termediate decimation stage. The CS4382A is available in a 48-pin LQFP package in both Commercial (-10° to +70°C) and Automotive grades (-40° to +85°C). The CDB4382A Customer Demonstration board is also available for device evaluation and implementation sug- gestions. Please see “Ordering Information” on page 47 for complete details. The CS4382A accepts PCM data at sample rates from 4 kHz to 216 kHz, DSD audio data, and delivers excel- lent sound quality. These features are ideal for multi- channel audio systems including SACD players, A/V re- ceivers, digital TV’s, mixing consoles, effects processors, sound cards and automotive audio systems. Control & Serial Audio Port Supplies = 1.8 V to 5 V Register/Hardware Configuration Internal Voltage Reference Reset Digital Supply = 2.5 V Hardware Mode or I2C/SPI Software Mode Control Data Analog Supply = 5 V Differential Outputs 8 8 PCM Serial Audio Input Volume Controls Digital Filters Switch-Cap DAC and Analog Filters Multi-bit ∆Σ Modulators DSD Audio Input DSD Processor -50 kHz filter External Mute Control Mute Signals 2 8 NOVEMBER '05 DS618PP2 CS4382A |
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