AT78C1507 - ATMEL Corporation

AT78C1507 DVD/CD Read Channel

The AT78C1503 is a programmable DVD/CD channel responsible for servo algebra, gain control, equalization, bit detection and clock extraction for CD-ROM, DVD-ROM, DVD-R, DVD-RW and DVD-RAM formats. Programmable features allow data rates up to 5X DVD. Also, for DVDRAM functionality, the channel serves the write path providing laser power control and pit asymme.

Features

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• Operating Supply Range 3.0V to 3.6V Power Dissipation 1W Max Low-power Sleep Mode (<0.5 mW) RF Data Channel
  – Automatic Gain Control or Programmable Gain Mode
  – Wide Bandwidth VGA
  – VGA Accepts Inputs from 30
  –300 mV Peak-to-peak Differential (PPD), 60
  –600 mV PPD or 110
  –1100 mVPPD
  – Programmable Equalization via 7th-order Equiripple Filter with Programmable Symmetric Zeros
  – Programmable 5-to-1 Filter Cutoff Range
  – Data Slicer with DC Restore Circuit
  – Wide Frequency Range Clock Extraction
  – Frequency Synthesizer with Independent 7-bit M and 6-bit N Dividers, Better than 1% Resolution .