S1A0426C01

AM/FM 1 CHIP RADIO S1A0426C01 INTRODUCTION The S1A0426C01 is a monolithic integrated circuit designed for radio-cassette tape recorders, clock radios and headphone radios. 30−SDIP−400 FUNCTIONS AM/FM RF AMP AM AGC Control Audio Power AMP DC Volume FM Quadrature DET Local OSC FM AFC Control Tuning Indicator AM/FM IF AMP AM DET 28−SOP−375 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% ORDERING INFORMATION Device S1A0426C01-A0B0 S1A0426C01-S0B0 Package 30−SDIP−400 28−SOP−375 Operating Temperature −20°C − +70°C −20°C − +70°C 1 S1A0426C01 AM/FM 1 CHIP RADIO BLOCK DIAGRAM GND 30 29 (28) AM OUT 28 VCC 27 Ripple Filter 26 (25) VOL AF IN 25 (24) DET OUT 24 (23) AFC AGC 23 (22) AFC AGC 22 IF TUNING GND METER N.C 21 20 (20) (19) 19 FM IF IN 18 (19) AM BAND IF IN SELECT 17 16 (16) (15) (27) (26) (21) (17) FM/AM IF DET/AGC PWR AM F/E FM F/E Tuning Meter (1) 1 2 GND 3 FM Disc (2) 4 VOL (3) 5 NF (4) 6 (5) 7 AFC AM OSC (6) 8 FM OSC (7) 9 REG OUT (8) 10 FM RF (9) 11 (10) 12 N.C (11) 13 (12) 14 (13) 15 (14) AMRF IN FM RF RF IN GND FM/AM IF OUT NOTE: ( ) 28-SOP Package ABSOLUTE MAXIMUM RATINGS (Ta = 25°C) Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCC PD TOPR TSTG Valu...