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| AM/FM 1 CHIP RADIO S1A0426C02 INTROCUCTION The S1A0426C02 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 AGO Control Audio Power AMP DC Volume FM Quadrature DET AUDIO MUTE * * * * * Local OSC FM AFO 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 = 5.3 mA (Typ) -- AM: ICCQ = 3.4 mA (Typ) * * High Power Audio Amplifier: 0.5W (typ) at VCC = 6V, RL = 8, THD = 10% ORDERING INFORMATION Device S1A0426C02-A0B0 S1A0426C02-S0B0 Package 30-SDIP-400 28-SOP-375 Operating Temperature -20C - +70C -20C - +70C 1 S1A0426C02 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) Tuning Meter 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 (1) 1 2 MUTE 3 FM Disc (2) 4 NF (3) 5 (4) 6 VOL (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 = 25C) Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCC PD TOPR TSTG Value 9 1000 -20 - +70 -40 - +125 Unit V mW C C 2 AM/FM 1 CHIP RADIO S1A0426C02 ELECTRICAL CHARACTERISTICS (VCC = 6 V, Ta = 25 C, FM; f = 22.5 kHz, fm = 1 kHz, AM; 30% Mod, unless otherwise specified) Characteristic Quiescent Circuit Current F/E Voltage Gain Detect Output Gain FM IF-3 dB Sensitivity Total Harmonic Distortion Meter Drive Current Quiescent Circuit Current F/E Voltage Gain AM IF Voltage Gain AM Detect Output Voltage Total Harmonic Distortion Meter Drive Current Closed Loop Voltage Gain Total Harmonic Distortion AF Output Power Mute Level Symbol ICCQ(1) GV(1) VO(1) VI (LIM) THD1 IM (1) ICCQ(2) GV(2) GV(3) VO(2) THD2 IM(2) GV(4) THD3 PO ML VI = 0 VI(1) = 40dB, fc = 100MHz, f = 0 VI(3) = 90dB, fi = 10.7MHz Vo(VI3) = 90dB, -3dB, fi = 10.7MHz VI(3) = 90dB, fi = 10.7MHz (f = 75kHz) VI(3) = 60dB , fi = 10.7MHz VI = 0 VI(2) = 60dB, fc = 1660kHz, m = 0% Vo(3) = -34dBm, fi = 455kHz VI(3) = 85dB, fi = 455kHz VI(2) = 95dB, fc = 1660kHz, Vcc = 7.8V VI(3) = 85dB, fi = 455kHz Vo(4) = 0dBm, f = 1kHz Po = 50mW, f = 1kHz RL = 8, THD = 10%, f = 1kHz Po = mW, Vi(4) = 30dBm 1kHz, V1(3) = FF Test Conditions Min. - 32 -26 - - 1.8 - 15 14 -26 - 1.3 27 - 0.4 8 Typ. Max. Unit 7.0 39 -20 24 0.3 3.5 3.5 22 20 -20 0.6 3.0 31.5 0.3 0.5 15 14.0 46 -14 32 2.0 7.0 10.0 29 27 -14 2.0 7.0 36 2.5 - 22 mA dB dBm dB % mA mA dB dB dBm % mA dB % W dB 3 S1A0426C02 APPLICATION CIRCUIT 150 ANT 8.2k 0.01F 4 C-F 10.7MHz 10F S2 330 D1 1k T1 0.1F 0.47F 100pF C-F 455kHz 2.2k FM 4.7F 10F 0.01 F AM 0.1F 470F 10F 0.022 F BAT T 220F 30 21 (21) (20) (19) (18) (17) (16) (15) (28) (27) (26) (25) (24) (23) (22) 29 28 27 26 25 24 23 22 20 19 18 17 16 S1A0426C02 (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) S1 1 8 14 2 3 4 5 6 7 9 10 11 12 13 15 0.1F 100k 4.7F *10.7MHz 1pF 10F BPF 6pF 18pF L3 L2 L4 22pF 2pF L1 50k VR AM/FM 1 CHIP RADIO NOTE: ( ) 28-SOP Package * CDA 10.7MG 89-A (MURATA) |
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