Description
The CXA2556Q 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
• APC (Automatic Power Control) function
• APC ON/OFF control

APPLICATIONs
• CD players
• CD-ROM drives

Functions
• RF summing amplifier
• RF equalizer
• Focus error amplifier
• Tracking error amplifier
• Mirror detection function
• APC circuit