INTRODUCTION
The S1A0426C01 is a monolithic integrated circuit designed for radio-cassette tape recorders, clock radios and headphone radios.

FEATURES
• Built-in AM/FM Switching Circuit
• Wide operating supply voltage: VCC = 2V - 8.5V
• Low current consumption (VCC = 3V)
   — FM: ICCQ = 7.0mA (Typ)
   — AM: ICCQ = 3.5mA (Typ)
• High Power Audio Amplifier: 0.5W (typ) at VCC = 6V, RL = 8, THD = 10%

FUNCTIONS
• AM/FM RF AMP
• Local OSC
• AM AGC Control
• FM AFC Control
• Audio Power AMP
• Tuning Indicator
• DC Volume
• AM/FM IF AMP
• FM Quadrature DET
• AM DET