Description
The CXA2647N is an RF signal processing IC for
compact disc players.

Features
• RF signal processor supporting 6× speed CD
• RF system VCA circuit
• RF system equalizer
• Supports pickups with built-in RF summing amplifier
• Low current consumption mode (RF off mode)
• ROM/RW switching mode
• Center error amplifier
• Output DC level shift circuit
• TE balance adjustment function

Functions
• RF AC summing amplifier, equalizer, VCA
• RF DC summing amplifier
• Focus error amplifier
• Tracking error amplifier
• Center error amplifier
• Automatic power control
• VC buffer amplifier (analog block, digital block)