AM/FM TUNER S1A2297X01 INTRODUCTION 16−DIP−300A The S1A2297X01 is a monolithic integrated circuit which consists of an FM F/E + AM/FM IF and DET AMP. The S1A2297X01 is a no-adjustment AM/FM IF, DET coil. FEATURES • Does not need AM/FM IF, FM DET COIL • Built-in FM Front End • Minimum number of external parts required • Operating voltage : VCC = 1.8V − 7V 16−SOP−375 ORDERING INFORMATION Device Package S1A2297X01-D0B0 16−DIP−300A S1A2297X01-S0B0 16−SOP−375 Operating Temperature −20°C — + 75°C BLOCK DIAGRAM 6 FM RF FM RF IN OUT FM MIX 1 FM F/E 15 FM OSC FM IF IN QUAD 3 13 8 10 FM MIX FM OSC FM IF FM DET AM/FM SW 14 AM/FM SW VCC AGC AM RF AM MIX AM OSC 16 4 12 AM RF IN AM MIX AM OSC AM IF 5 7 AM DET 2 AGC AM IF IN 11 9 DET OUT GND GND2 1 S1A2297X01 AM/FM TUNER ABSOLUTE MAXIMUM RATINGS (Ta = 25°C) Characteristic Symbol Value Unit Maximum Supply Voltage VCC 8 V Power Dissipation PD 250 mW Operating Temperature TOPR −20 — +75 °C Storage Temperature TSTG −55 — +125 °C ELECTRICAL CHARACTERISTICS (FM F/E: f = 98MHz, fm = 1KHz, ∆f = 22.5kHz, FM IF: 10.7MHz, AM: f = 1MHz, fm = 1kHz, 30% mod, VCC = 3V) Characteristic FM IF AM 2 Test Conditions Min. Typ. Max. Unit ICCQ1 FM, VI = 0 6.0 10.0 14.0 mA ICCQ2 AM, VI = 0 3.0 5.0 8.0 mA −3dB Limiting V(LIM)1 VO = −3dB Point − 12 22 dBµ −3dB Limiting Sensitivity V(LIM)2 VO = −3dB Point 42 47 52 dBµ Detector Output Voltage VO(DET)1 VI = 80dBµ 55 70 85 mVrms Total Harmonic Distortion THD1 VI = 80dBµ − 0.4 1 % Signal to Noise Ratio S/N1 VI = 80dBµ 56 62 − dB AM Rejection Ratio AMR VI = 80dBµ 32 38 − dB Voltage Gain GV1 VI = 30dBµ 28 50 72 mVrms Detector Output Voltage VO(DET)2 VI = 60dBµ 40 60 82 mVrms Total Harmonic Distortion THD2 VI = 60dBµ − 1.0 2.0 % Signal to Noise Ratio S/N2 VI = 60dBµ 37 43 − dB Quiescent Circuit Current FM F/E Symbol AM/FM TUNER S1A2297X01 TEST CIRCUIT 1 0.01µF 100µF 0.01µF Vcc(3V) Lx 220 µF 15pF KSC945 16 15 14 13 12 11 10 9 6 7 8 FM OSC 2.2k Ω S1A2297X01 1 2 3 4 5 3 S1A2297X01 AM/FM TUNER TEST CIRCUIT 2 Vcc(3V) SW1 L3 2.2mH A 0.022µ F 75Ω * 10.7MHz 16 15 15pF 14 13 2.2µ F 1kΩ 12 11 10 9 FM AM B 0.047µF A S1A2297X01 4700pF 20kΩ 220µ F B 0.03µF AM RF IN 0.01µF L2 AM FM 4700pF L1 SW2 2 3 4 5 FM RF IN 7 8 C-F C-F SFU455C5 C-F SFE 10.7MAS 3.3µ F BPF B SW3 FM IF IN 270Ω 4 6 SFE 10.7MAS 1 A * CDA 10.7MG 91-A (MURATA) 20kΩ AM/FM TUNER S1A2297X01 COIL SPEC Seal Name L1 TURNS − WIRE (mm) L2 L3 3-1 2 2/8 1-3 2 6/8 1-2 12T − − − − 2-3 73T 0.5 UEW 0.5 UEW 0.08 UEW S CONNECTION (BOTTOM VIEW) (KOREA TOKO) 3 4 3 4 3 4 2 5 2 5 2 5 1 6 1 6 1 6 S FREQUENCY S 100MHz 100MHz 792kHz TUNING CAPACITY − − − INDUCTANCE − − 268uH ± 8%min UNLOADED Q − − 70min Seal Name TURNS − WIRE (mm) CONNECTION (BOTTOM VIEW) L1 L2 L3 3-1 2 2/8 1-3 2 6/8 1-2 12T − − − − 2-3 73T 0.5 UEW 0.5 UEW 0.05 UEW 3 4 3 4 3 4 2 5 2 5 2 5 1 6 1 6 1 6 KWANG SUNG PART NO KST-FO2 FST-FR2 FSI-AO2 FREQUENCY 100MHz 100MHz 796kHz TUNING CAPACITY − − − INDUCTANCE − − 268 uH ± 8% min UNLOADED Q − − 70 min 5 S1A2297X01 AM/FM TUNER APPLICATION CIRCUIT 16 15 0.01µF * 10.7MHz 4700pF 5pF 0.003µF AM FM 13pF 22pF 22pF Vcc(3V) DET OUT 2.2µ F 15pF 14 13 12 11 10 9 6 7 8 FM ANT 1 2 3 4 5 C-F C-F SFU455C5 3.3µF BPF SFE 10.7MAS S1A2297X01 *CDA 10.7MG 91-A (MURATA) 6