Description

The CXA2555Q is an IC for RF signal processing of CD player and CD-ROM.

Features

• Wide-band RF AC amplifier (RF AC signal fc ≥ 20MHz)

• 4-mode RF equalizer (active filter type)

• RF equalizer boost amount and cut-off frequency adjustable

• EFM time constant adjustable (switching function provided)

• Peak hold time constant of mirror circuit adjustable

• Tracking error amplifier cut-off frequency adjustable

• Tracking error amplifier voltage gain adjustable

• Center error amplifier

• APC (Automatic Power Control) function

• APC ON/OFF control

• Supports laser coupler

Functions

• RF summing amplifier

• RF equalizer

• Focus error amplifier

• Tracking error amplifier

• Center error amplifier

• Mirror detection function

• APC circuit

Applications

• CD players

• CD-ROM drives