INTRODUCTION

KA22427B is a monolithic integrated circuit designed for the portable AM/FM radio or AM/FM clock radios.

FEATURE

• Portable AM/FM 1-chip radio

• Wide operating supply voltage range: VCC = 3V ~ 12V (Approximately) (Depending on the internal regulator tolerance)

• Recommended operating suply voltage: VCC = 4.5V ~ 9V

FUNCTIONS

• AM RF & MIX

• AM AGC

• AM/FM DET

• Regulator

• AM Local OSC

• AM/FM IF AMP

• Audio Power AMP

• FM AFC Control