The KA9201 is an RF amplifier IC specifically designed for use in compact disc (CD) players. It functions as part of a three-spot optical pickup system and includes built-in circuits for focus error, tracking error, mirror detection, defect detection, and automatic power control for laser diodes.
The device operates with either single or split power supplies (+5V). Key features include low power consumption (100mW at +5V), a minimum number of external components required, and built-in disc defect detection to improve play ability. The document provides absolute maximum ratings, detailed electrical characteristics for various internal stages, test circuit diagrams, and application circuits.
| Functions | RF AMP, Focus Error AMP, Tracking Error AMP, Focus OK Detector, Mirror Detector, Defect Detector |
|---|---|
| Power Supply Operation | Single (+5V) or split power supply operation (+5V) |
| Low Power Consumption | 100mW at +5V, 80mW at -5V |
| Operating Temperature Range | -25°C to +75°C |
| Storage Temperature Range | -55°C to +150°C |
| Supply Voltage (Vcc-Vee) | 3.4V to 11V |
It is designed for three-spot type optical pickup of the compact disc player.
No, it requires a minimum number of external components.