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전자부품 데이터시트 검색엔진 |
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CS4385 데이터시트(PDF) 1 Page - Cirrus Logic |
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CS4385 데이터시트(HTML) 1 Page - Cirrus Logic |
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1 / 56 page  Advance Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. Copyright © Cirrus Logic, Inc. 2004 (All Rights Reserved) http://www.cirrus.com CS4385 114 dB, 192 kHz 8-Channel D/A Converter Features Advanced Multi-bit Delta Sigma Architecture 24-Bit Conversion Automatic Detection of Sample Rates up to 192 kHz 114 dB Dynamic Range -100 dB THD+N Direct Stream Digital Mode – Non-decimating volume control – On-chip 50 kHz filter – Matched PCM and DSD analog output levels Compatible with Industry-standard Time Division Multiplexed (TDM) Serial Interface Selectable Digital Filters Volume Control with 1/2-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 CS4385 is a complete 8-channel digital-to-analog system. This D/A system includes digital de-emphasis, half-dB step size volume control, ATAPI channel mixing, selectable fast and slow digital interpolation filters fol- lowed by an oversampled, multi-bit delta sigma modulator which includes mismatch shaping technology that eliminates distortion due to capacitor mismatch. Fol- lowing this stage is a multi-element switched capacitor stage and low-pass filter with differential analog outputs. The CS4385 also has a proprietary DSD processor which allows for volume control and 50 kHz on-chip filter- ing without an intermediate decimation stage. It also offers an optional path for direct DSD conversion by di- rectly using the multi-element switched capacitor array. The CS4385 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. ORDERING INFORMATION CS4385-CQZ -10 to 70 °C 48-pin LQFP, Lead-Free CS4385-DQZ -40 to 85 °C 48-pin LQFP, Lead-Free CDB4385 Evaluation Board I C o ntrol Port Supp ly = 1.8 V to 5 V Re giste r/H ardwa re C onfigura tion Inte rnal Voltage Reference Reset TD M Serial A u dio In pu t Digital S up p ly = 2.5 V H ard w are Mod e o r I2C/SP I S oftw are Mod e Con tro l Data A n alog S upply = 5 V E ight C h annels o f Differen tial Outpu ts 8 8 PC M Serial A udio Input Volume C ontrols Digita l Filte rs Switch-C a p DAC and A na log F ilte rs Multi-bit ∆Σ Modula tors DSD A u dio In pu t DSD Processor -Volume control -50 kHz filter E xterna l Mute Control Mute Signals 2 8 Serial A u dio Po rt Su p ply = 1.8 V to 5 V OCT ‘04 DS671A1 |
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