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CXD2586R Datasheet(PDF) 1 Page - Sony Corporation |
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CXD2586R Datasheet(HTML) 1 Page - Sony Corporation |
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1 / 127 page  Structure Silicon gate CMOS IC Absolute Maximum Ratings • Supply voltage VDD –0.3 to +7.0 V • Input voltage VI –0.3 to +7.0 V (VSS – 0.3V to VDD +0.3V) • Output voltage VO –0.3 to +7.0 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 • Operating temperature ∗ The V DD (min.) for the CXD2586R/-1 varies according to the playback speed and built-in VCO selection. The VDD (min.) is 4.5V when high-speed VCO and quadruple-speed playback are selected (variable pitch off). The VDD (min.) for the CXD2586R/-1 under various conditions are as shown in the following table. – 1 – CXD2586R/-1 144 pin LQFP (Plastic) E95Y01A65-ST CD Digital Signal Processor with Built-in Digital Servo and DAC Description The CXD2586R/-1 is a digital signal processor LSI for CD players. This LSI incorporates the 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 Block • Playback mode which supports CAV (Constant Angular Velocity) • Frame jitter free • Half-speed to octuple-speed continuous playback possible with a low external clock (only CXD2586R-1 supports up to octuple speed) • Allows relative rotational velocity readout • Wide capture range playback mode • Spindle rotational velocity following method • Supports normal-speed, double-speed, quadruple- speed, sextuple-speed and octuple-speed playback (only CXD2586R-1) • Wide frame jitter margin (±28 frames) due to a built-in 32K RAM • 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 • Octuple-speed (only CXD2586R-1), sextuple-speed, quadruple-speed and double-speed playback (digital signal processor and digital servo blocks) • Noise reduction during track jumps • Auto zero-cross mute • Subcode demodulation and Sub Q data error detection • Digital spindle servo (with 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 Digital Servo Block • Microcomputer software-based flexible servo control • Servo error signal, offset cancel function • Servo loop, auto gain control function • E:F balance, focus bias adjustment function Digital Filters (DAC and LPF blocks) • Low-pass filter for DAC • Digital de-emphasis • Digital attenuation • 4fs oversampling filter • Adopts secondary ∆∑ noise shaper • LPF for DAC analog output Playback speed × 8 (only CXD2586R-1) × 6 × 4 × 2∗1 × 2 × 1∗2 × 1 4.75 4.50 4.50 4.00 3.40 3.40 3.40 — — — — 4.00 3.40 3.40 — — — — — — 4.50 VCO1 high speed VCO1 normal speed DAC block VDD (min.) [V] —: Dashes indicate that there is no assurance of the processor operating. All values are for variable pitch off. ∗1 When the internal operation of the LSI is set to normal- speed playback and the operating clock of the signal processor is doubled, double-speed playback results. ∗2 When the internal operation of the LSI is set to double- speed mode and the crystal oscillating frequency is halved in low power consumption mode, normal-speed playback results. 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. For the availability of this product, please contact the sales office. |
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