AM/FM TUNER + MPX S1A0901X01/A01 INTRODUCTION The S1A0901X01/A01 is a monolithic integrated circuit which consists of a one-chip tuner and a no adjustment FM multiplex for AM/FM radios and headphone radios. 24−SDIP−300 FEATURES • One chip tuner with built-in FM Multiplex • No adjustment for FM detector and VCO • No AM detect coil, IF coupling capacitor, FM IF bypass capacitor needed • 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%, MPX: 0.2% (Typ)) 24−SOP−375 ORDERING INFORMATION Device Package S1A0901X01-A0B0 24−SDIP−300 S1A0901A01-S0B0 24−SOP−375 Operating Temperature − 20°C − +75°C 1 S1A0901X01/A01 AM/FM TUNER + MPX BLOCK DIAGRAM AM RF IN FM RF OUT 24 23 RF V CC FM OSC AM OSC DET OUT MPX IN 22 21 20 19 18 PH1 PH2 OSC L-CH OUT 17 16 15 14 AF OSC BUFFER AM/F/E PHASE DETECTOR R-CH OUT 13 STEREO DECODER LAMP TRIGGER FF AM/FM DET FM/F/E AGC 1 FM RF IN AF IF AF IF LED DRIVER 2 3 4 5 6 7 8 9 10 11 12 GND FM MIX AM MIX AGC VCC AM IF FM IF GND TUNING LED STLED QUAD DET ABSOLUTE MAXIMUM RATINGS (Ta = 25 °C) Characteristic Symbol Value Unit Supply Voltage VCC 8 V Power Dissipation PD 1200 mW Operating Temperature TOPR −20 − +75 °C Storage Temperature TSTG −55 − +150 °C LED Driver Voltage VDR 10 V LED Driver Current IDR 10 mA 2 AM/FM TUNER + MPX S1A0901X01/A01 ELECTRICAL CHARACTERISTICS (Ta = 25 °C, VCC = 3 V, unless otherwise specified) • FM F/E: f = 98MHz, fm = 1kHz, ∆f = 22.5kHz AM: f = 1MHz, fm = 1kHz, 30 % Mod • FM IF: f = 10.7MHz, fm = 1kHz, ∆f = 22.5kHz MPX: f = 1kHz, L + R = 90%, P = 10%, VI = 150mV Characteristic Symbol Test Conditions Min. Typ. Max. Unit Test Circuit ICCQ1 FM, VI = 0 10 14 18 mA 1 ICCQ2 AM, VI = 0 3.5 6.0 9 mA 1 VI (LIM)1 VO = −3dB 10 14 18 dBµ 1 VOSC fOSC = 98MHz 70 105 140 mV 2 -3 dB Limiting Sensitivity VI(LIM)2 VO = −3dB 39 44 49 dBµ 1 Detector Output Voltage VO (DET)1 VI = 80dBµ 55 80 110 mV 1 Signal to Noise Ratio S/N1 VI = 80dBµ 60 70 − dB 1 Total Harmonic Distortion THD1 VI = 80dBµ − 0.4 1 % 1 AM Rejection Ratio AMR VI = 80dBµ 40 50 − dB 1 Tuning Indication Voltage VLI ILED = 1mA 39 44 49 dBµ 1 Voltage Gain GV1 VI = 23dBµ 20 40 80 mV 1 VO(DET)2 VI = 60dBµ 50 60 100 mV 1 Signal to Noise Ratio S/N2 VI = 60dBµ 34 44 − dB 1 Total Harmonic Distortion THD2 VI = 60dBµ − 1 2 % 1 Tuning Indication Voltage VL2 ILED = 1mA 19 24 30 dBµ 1 Quiescent Circuit Current F/E -3 dB Limiting Sensitivity Oscillation Voltage FM IF Detector Output Voltage AM IF 3 S1A0901X01/A01 Characteristic Symbol Test Conditions Min. Typ. Max. Unit Test Circuit VI(MAX) Stereo, THD = 3% 250 350 − mV 1 CS1 Stereo, f = 100Hz 35 42 − dB 1 CS2 Stereo, f = 1kHz 35 42 − dB 1 CS3 Stereo, f = 10kHz 35 42 − dB 1 THD3 Mono − 0.2 1 % 1 THD4 Stereo − 0.2 1 % 1 Voltage Gain GV2 Mono −5 −3 −1 dB 1 Channel Balance CB Mono −2 0 2 dB 1 VL(ON) Pilot only − 8 16 mV 1 VL(OFF) Pilot only 2 6 − mV 1 Lamp Hysteresis HY − − 2 − mV 1 Capture Range CR Pilot only − ±3 − % 1 S/N3 Mono 60 70 − dB 1 Maximum Input Voltage Channel Separation Total Harmonic Distortion MPX Lamp on Level Signal to Noise Ratio 4 AM/FM TUNER + MPX 75Ω VIN 75Ω FM-IF IN FM-RF IN AM-RF IN VIN 75Ω VIN BPF 75Ω 0.033µF AM 6800pF 1 24 2.2mH 270Ω 2.2kΩ 0.022µF F M 2 23 L1 0.033µF 3 22 T 2 T 1 19 330pF 18 ST 17 MONO 5 0.033µF 33µF 6 7 8 S1A0901X01/A01 20 75 10.7MHz 4 21 15pF L2 C-F 455kHz 2.2µF 0.068µF 10.7MHz 22K 15 10 9 560Ω AM FM 0.082µF 16 3.3µF 24kΩ CSB456F 16 560Ω 0.01µF 11 14 0.01µF Vcc R-CH OUT L-CH OUT 76kHz FC 0.1µF MPX IN 220kΩ 10µF 220µF 4.7µF LPF * CDA 10.7MG 90-A (MURATA) *10.7MHz 12 13 4.7µF Vcc MONITOR DET OUT AM/FM TUNER + MPX S1A0901X01/A01 TEST CIRCUIT 1 5 6 23 2 24 1 0.033 µF 3 22 4 21 80pF 15pF L2 19 18 17 5 6 7 8 S1A0900X01/A01 20 9 16 5pF 100 µF 10 15 470k Ω 470k Ω Vcc 11 14 1k Ω 0.01 µF 220 µF 12 13 FM OSC KSK161 POWER 8V S1A0901X01/A01 AM/FM TUNER + MPX TEST CIRCUIT 2 0.033 µF AM/FM TUNER + MPX S1A0901X01/A01 COIL SPECIFICATION L1 FM RF 3 4 2 5 f (MHz) 1 6 100 100 Qo Qo TURNS 1-4 2 1/2 0.5mm¥ Õ L2 FM OSC 3 4 2 5 f (MHz) 1 6 100 100 4 Qo TURNS 1-3 2 3/4 0.5mm¥ Õ T1 AM OSC 3 2 5 f (MHz) 1 6 796 Co (pF) TURNS 1-3 2-3 L (uH) 115 13 73 288 Qo 120 KOREA TOKO 0.08mm¥ Õ T2 AM IFT (MIX OUT) 3 4 2 5 1-3 f (MHz) 1 6 180 455 TURNS 1-3 4-6 180 15 KOREA TOKO 0.08mm¥ Õ 7 S1A0901X01/A01 AM/FM TUNER + MPX L1 FM RF 3 4 2 5 1 6 TURNS F (MHz) Qo 100 100 1-4 WIRE KWANG SUNG PART NO 2*(1/2) 0.5m/m KST-FR1 KST-FR1 L2 FM OSC 3 4 2 5 1 6 KST-FO1 F (MHz) Qo 100 100 F (MHz) Qo 796 115 TURNS 1-3 WIRE KWANG SUNG PART NO 2*(3/4) 0.5m/m KST-FO1 T1 AM OSC 3 4 2 5 1 6 KSI-AO1 TURNS 1-3 2-3 L (uH) 13 73 288 KWANG SUNG PART NO KSI-AO1 T2 AM IFT (MEX OUT) 3 4 2 5 1 6 KSI-AA1 8 Co(pF) Qo 1-3 F (kHz) 180 455 120 TURNS 1-3 4-6 KWANG SUNG PART NO 146 14 KSI-AA1 BPF C28 0.022µF CH 3pF 1 24 L1 AM ANT 2 23 TC3 CH 24pF TC1 FM RF L3 3 22 T2 AM IF CH 15pF 4 21 0.033µF 19 33kΩ T1 100kΩ 18 R2 150k Ω 1/50 6 455kHz C-F 7 22kΩ 8 17 10.7MHz C-F S1A0901X01/A01 22µF 5 20 TC2 FM OSC CH 7pF 0.01µF CH 30pF 10mH 680pF 10µF 0.1µF/50V 9 16 456kHz 10 15 560Ω 11 4.7kΩ 3.3kΩ *10.7MHz 12 13 0.033µF 0.033µF 100µF C FM 22Ω FM-SET AM R-OUT L- OUT * CDA 10.7MG 90-A (MURATA) 3.3kΩ 14 4.7kΩ ST LED C-F 0.001µF AM/FM TUNER + MPX S1A0901X01/A01 APPLICATION CIRCUIT 9 0.22µ F 0.068µF S1A0901X01/A01 AM/FM TUNER + MPX NOTES 10