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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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CXD3003R 데이터시트(PDF) 1 Page - Sony Corporation |
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CXD3003R 데이터시트(HTML) 1 Page - Sony Corporation |
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1 / 137 page  Description The CXD3003R is a digital signal processor LSI for CD players. This LSI incorporates a digital servo, digital filter and 1-bit DAC. Features • All digital signal processing during playback is performed with a single chip • Highly integrated mounting possible due to a built- in RAM Digital Signal Processor (DSP) Block • Playback mode supporting CAV (Constant Angular Velocity) • Frame jitter free • 0.5 × to 24× continuous playback possible with a low external clock • Allows relative rotational velocity readout • Wide capture range playback mode • Spindle rotational velocity following method • Supports 1 × to 24× playback by switching the built- in VCO • The bit clock, which strobes the EFM signal, is generated by the digital PLL • EFM data demodulation • Enhanced EFM frame sync signal protection • Refined super strategy-based powerful error correction C1: double correction, C2: quadruple correction Supported during 24 × playback • Noise reduction during track jumps • Auto zero-cross mute • Subcode demodulation and Sub Q data error detection • Digital spindle servo (built-in oversampling filter) • 16-bit traverse counter • Asymmetry compensation circuit • CPU interface on serial bus • Error correction monitor signal, etc. output from a new CPU interface • Servo auto sequencer • Fine search performs track jumps with high accuracy • Digital audio interface outputs • Digital level meter, peak meter • Bilingual compatible • VCO control mode Digital Servo (DSSP) Block • Microcomputer software-based flexible servo control • Offset cancel function for servo error signal • Auto gain control function for servo loop • E:F balance, focus bias adjustment function • Surf jump function supporting micro two-axis Digital Filter and DAC Blocks • Digital de-emphasis • Digital attenuation • 4Fs oversampling filter • Adoption of a secondary ∆∑ noise shaper • Supports double-speed playback Structure Silicon gate CMOS IC Absolute Maximum Ratings • Supply voltage VDD –0.3 to +4.6 V • Input voltage VI –0.3 to +4.6 V (VSS – 0.3V to VDD + 0.3V) • Output voltage VO –0.3 to +4.6 V • Storage temperature Tstg –40 to +125 °C • Supply voltage difference VSS – AVSS –0.3 to +0.3 V VDD – AVDD –0.3 to +0.3 V Recommended Operating Conditions • Supply voltage VDD∗ 3.0 to 4.0 V • Operating temperature Topr –20 to +75 °C ∗ The V DD (min.) for the CXD3003R varies according to the playback speed and built-in VCO selection. The VDD (min.) for the CXD3003R under various conditions are as shown on the following page. – 1 – CXD3003R E97306A88 CD Digital Signal Processor with Built-in Digital Servo and DAC Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. 144 pin LQFP (Plastic) For the availability of this product, please contact the sales office. |
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