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LC78622E

Part Number	LC78622E
Manufacturer	Sanyo Semicon Device
Description	Compact Disc Player DSP
Published	Mar 22, 2005
Detailed Description	Ordering number : EN5467 CMOS LSI LC78622E Compact Disc Player DSP Overview The LC78622E is a CMOS LSI that implement...
Datasheet	LC78622E PDF File

Overview

Ordering number : EN5467 CMOS LSI LC78622E Compact Disc Player DSP Overview The LC78622E is a CMOS LSI that implements the signal processing and servo control required by compact disc players.
At the same time as providing an EFM PLL circuit, a 1-bit D/A converter, and an analog low-pass filter the LC78622E realizes an optimal cost-performance tradeoff for low-end players by strictly limiting functionality to basic signal-processing and servo system functionality.
The LC78622E signal-processing system provides demodulation of the EFM signal from the pickup, de-interleaving, error detection and correction, and digital filters that can prove useful in reducing the cost of end products.
The LC78622E servo control system processes servo commands sent from the control microprocessor.
• • • • • • • • • • • Functions • Input signal processing: The LC78622E takes an HF signal as input, digitizes (slices) that signal at a precise level, converts that signal to an EFM signal, and generates...

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