Description
The CXA1821M is an IC developed for compact disc players. This IC incorporates an APC circuit and RF, focus error, and tracking error amplifiers for 3-spot optical pickup output. (The voltage-converted optical pickup output is supported.)

Features
• Low power consumption (40mW at ±2.5V)
• APC circuit
• Both single power supply (+5V) and dual power supply (±2.5V) operations possible.
• Compatible with pickup for LC and PD
• Supports the RF amplifier at double speed.

Applications
  Compact disc players