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S5L9250B データシート (PDF) - Samsung semiconductor

S5L9250B Datasheet PDF - Samsung semiconductor
部品番号 S5L9250B
ダウンロード  S5L9250B ダウンロード

ファイルサイズ   1311.12 Kbytes
ページ   163 Pages
メーカー  SAMSUNG [Samsung semiconductor]
ホームページ  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor
部品情報 The CD-ROM 48X 1 chip receives the input signal read from the CD-DA/VIDEO-CD/CD-ROM disc after handling by the RF amplifier.

S5L9250B Datasheet (PDF)

Go To PDF Page ダウンロード データシート
S5L9250B Datasheet PDF - Samsung semiconductor

部品番号 S5L9250B
ダウンロード  S5L9250B Click to download

ファイルサイズ   1311.12 Kbytes
ページ   163 Pages
メーカー  SAMSUNG [Samsung semiconductor]
ホームページ  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor
部品情報 The CD-ROM 48X 1 chip receives the input signal read from the CD-DA/VIDEO-CD/CD-ROM disc after handling by the RF amplifier.

S5L9250B データシート (HTML) - Samsung semiconductor

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S5L9250B 製品詳細

INTRODUCTION

The CD-ROM 48X 1 chip receives the input signal read from the CD-DA/VIDEO-CD/CD-ROM disc after handling by the RF amplifier. The signal is input into the digital servo block which has a built-in DSP core, and goes through focus and tracking adjustments. The RF signal input into a data path goes through the data slicer, PLL, EFM demodulator, C1/C2 ECC and the audio handling block. In the case of a CD-DA, the signal is output through the 1-bit DAC. In the case of a CD-ROM, the signal is input into an external CD-ROM controller for handling, then transmitted to the host through the ATAPI I/F. Also, if you operate the CD-DA in audio buffering mode while already in CAV mode, the signal is stored in the CD-ROM controller DRAM at high speed, then output at 1x from the CD-ROM controller, after passing through the 1-bit DAC built-in to the S5L9250B.



FEATURES

• Main Features

   - Digital servo, CD-DSP, 1-bit DAC.

   - 33.8688MHz crystal.

   - Supports CLV 4X and 8X.

   - Supports CAV MAX 16X, 20X, 24X, 32X, 40X, and 48X.

   - Interrupt (SINTB)

   - MICOM interface

• Digital Servo Block

   - Automatic adjusting feature (focus/tracking loop offset, balance, loop gain)

   - Built-in AGC feature that adapts to work optimally with various disc types

   - Built-in search algorithm for speed control

   - Servo monitor signal generation (FOK, MIRROR, TZC, ANTI-SHOCK)

   - Various loop filter coefficient selection by MICOM

   - Built-in algorithm for handling defects/shocks

   - Disc discriminating data out (FEpk, SBADpk)

   - RF IC and serial interface

   - Built-in 10-bit DAC (Focus/Tracking/SLD)

   - OAK DSP core

• CD Digital Signal Processing Block

   - Wide capture range analog PLL

   - Data Slicer using duty feedback method

   - EFM demodulation

   - Sync detection, protection, insertion

   - CLV, CAV disc spindle motor control

   - C1/C2 ECC

   - Built-in 16 K SRAM for ECC

   - Subcode P - W handling feature

   - CD-DA Audio handling feature

   - SUB-Q De-interleaving & CRC check

   - High speed data transmission support by CD-ROM decoder block for audio buffering (sync mode selection between subcode sync and CD-DA data)

   - Digital audio out block

   - Subcode sync. Insertion, Protection

• 1-Bit DAC

   - 16-bit å D digital-to-analog converter

   - On-chip analog postfilter

   - Filtered line-level outputs, linear phase filtering

   - 90dB SNR

   - Sampling rate: 44.1kHz

   - Input rate 1Fs or 2Fs by normal mode/ double mode selection

   - Digital volume control by MICOM interface

   - On-chip voltage reference

   - Digital de-emphasis on/off, digital attenuation

   - Low clock jitter sensitivity

• Technology & Gate Density

   - 0.35um mixed mode CMOS technology

   - 3.3V power supply (internal core & analog)

   - 5.0V power supply (digital I/O)

   - Current used: 300mA

   - Package: 128QFP.

   - Core used: OAK DSP; ADC for servo use; DAC, 1-bit DAC; 16K SRAM.

   - Clock used:

      1) 33.8688MHz & PLL clock (4.3218MHz * speed coeff.) ® DP part.

      2) 33.8688MHz or 40MHz synthesized frequency ® servo part.

      3) 16.9344MHz ® 1-bit DAC part.



 




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