
Sony Semiconductor
Description
The CXA1782CQ/CR is a bipolar IC with built-in RF signal processing and various servo ICs. A CD player servo can be configured by using this IC DSP and driver.
FEATUREs
• Low operating voltage (VCC – VEE = 3.0 to 11.0V)
• Low power consumption (39mW, VCC = 3.0V)
• Supports pickup of either current output, voltage output
• Automatic adjustment comparator for tracking balance gain
• Single power supply and positive/negative dual power supplies
APPLICATIONs
• RF I-V amplifier, RF amplifier
• Focus and tracking error amplifier
• APC circuit
• Mirror detection circuit
• Defect detection and prevention circuits
• Focus servo control
• Tracking servo control
• Sled servo control
• Comparators of tracking adjustment for balance and gain
Structure
Bipolar silicon monolithic IC