CXA1992R General Description
The CXA1992R is a bipolar IC developed for CD player RF signal processing and servo control. This IC supports three-spot optical system pickups.
CXA1992R Maximum Ratings
• Supply voltage VCC . . . . . . . . . . . . . . . . . . . . . . . . ..12 V
• Operating temperature Topr . . . . . . .. . .20 to +75 °C
• Storage temperature Tstg . . . . . . . . . .65 to +150 °C
• Allowable power dissipation PD . . . . . . . . . . . . .600 mW
CXA1992R Features
• Automatic focus bias adjustment circuit
• Automatic tracking balance and gain adjustment circuits
• RF level control circuit
• Interruption countermeasure circuit
• Sled overrun prevention circuit
• Anti-shock circuit
• Defect detection and prevention circuits
• RF 1-V amplifier, RF amplifier
• APC circuit
• Focus and tracking error amplifier
• Focus, tracking and sled servo control circuits
• Focus OK circuit
• Mirror detection circuit
• Single power supply and dual power supplies
CXA1992R Typical Application
• CD players
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