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CS4385 数据表(PDF) 1 Page - Cirrus Logic |
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CS4385 数据表(HTML) 1 Page - Cirrus Logic |
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1 / 55 page  Copyright © Cirrus Logic, Inc. 2007 (All Rights Reserved) http://www.cirrus.com 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 mix- ing, selectable fast and slow digital interpolation filters followed by an oversampled, multi-bit delta sigma mod- ulator which 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 CS4385 also has a proprietary DSD processor which allows for volume control and 50 kHz on-chip fil- tering 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 is available in a 48-pin LQFP package in both Commercial (-40° to +85°) and Automotive (-40° to +105°) grades. The CDB4385 Customer Dem- onstration board is also available for device evaluation and implementation suggestions. Please see “Ordering Information” on page 54 for complete details. 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 receivers, digital TV’s, mixing consoles, effects proces- sors, sound cards, and automotive audio systems. C o n tro l P o rt S u pp ly = 1.8 V to 5 V Register/Hardware C onfiguration Inte rna l Volta ge Re fe re nce Reset TDM Serial A udio Input Digital Supply = 2.5 V Hardw are Mo de o r I2C /SP I S o ftw are Mo de Co ntro l Data A n alog Supply = 5 V E ight C hannels of Differen tial O utputs 8 8 PC M Serial A u dio In pu t Volume Controls Digita l Filters Switch-C ap DA C a nd Analog F ilte rs Multi-bit ∆Σ Modula tors DSD A udio Input DS D P roce ssor -V olume control -50 kHz filter Exte rna l Mute Control Mute S ign als 2 8 Serial A u dio P ort Su pp ly = 1.8 V to 5 V APRIL '07 DS671F1 CS4385 |
类似零件编号 - CS4385_07 |
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类似说明 - CS4385_07 |
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