S1A0900X01 - Samsung semiconductor

S1A0900X01 AM/FM TUNER + MPX

AM/FM TUNER + MPX S1A0900X01 INTRODUCTION The S1A0900X01 is a monolithic integrated circuit which consists of a 3V one-chip tuner and FM multiplex for AM/FM radios and head-phone radios. 24−SDIP−300 FUNCTIONS • • • FM Stage: RF/IF/AF amp, Quadrature Detector, MIX, OSC, Tuning Indicator. AM Stage: RF/IF/AF amp, Detector, MIX, OSC, AGC, Tuning Indicator. MP.

Features

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• 3 V one-chip tuner with built-in FM Multiplex No AM detect coil, IF coupling capacitor, FM IF by-pass capacitor needed Built-in tuning indicator function Built-in AM/FM selection switch Minimum number of external parts required Wide operating voltage range: VCC = 1.8V − 7V Low distortion (FM IF: 0.4%, AM IF: 1%, 0.2% (Typ) OPDERING INFORMATION Device S1A0900X01-A0B0 S1A0900X01-S0B0 Package 24−SDIP−300 24−SOP−375 Operature Temperature − 20°C − +75°C 1 S1A0900X01 AM/FM TUNER + MPX BLOCK DIAGRAM AM RF IN 24 FM RF OUT 23 RF VCC FM OSC AM OSC DET OUT MPX IN 22 21 20 19 18 PH1.