UTC TA2003 LINEAR INTEGRATED CIRCUIT AM/FM RADIO IC DESCRIPTION The UTC TA2003 is AM/FM Radio IC ( FM F/E + AM/FM IF ) which is designed for AM/FM Radios. SOP-16 FEATURES * FM IFT,AM IFT and FM Detector Coil aren’ t needed. * Operating Supply Voltage Range * VCC( opr ) = 1.8 ~ 7V ( Ta=25°C). DIP-16 BLOCK DIAGRAM Vcc AM FM 16 AM RF IN 15 14 FM RF OUT FM/AM SW AM/ FM SW 13 FM OSC FM OSC 12 AM OSC 11 DET OUT AM OSC 10 QUAD 9 GND2 FM DET AM RF AM DET FM RF FM MIX AM MIX AGC FM IF AM IF 1 FM RF IN GND1 2 3 FM MIX 4 AM MIX AGC 5 Vcc 6 7 AM IF IN 8 FM IF IN BPF UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R110-011,A UTC TA2003 LINEAR INTEGRATED CIRCUIT EXPLANATION OF TERMINAL TERMINAL VOLTAGE : Typical DC voltage at Ta=25°C, Vcc=3V and no signal with Test Circuit NO SYMBOL CONTENTS INTERNAL TERMINAL VOLTAGE CIRCUIT AM FM 0 0.7 0 0 0.4 1.7 0.6 0 0 0 3.0 3.0 3.0 3.0 3.0 3.0 0 0 2.5 2.2 FM RF OUT 1 FM AF IN 15 Input of FM RF Amplifier 1K 50pf 1 GND 2 2 GND1 GND for RF, DSC and MIX Stage 14 3 FM MIX AM / FM SW Output of FM MIX 3 GND1 2 FM RF OUT 15 4 AM MIX Output of AM MIX 1K 50pf 1 GND 2 FM RF OUT 15 5 AGC By pass of AM AGC 1K 50pf 1 GND 2 6 Vcc - FM RF OUT 15 7 AM IF IN Input of AM IF Amplifier 1K 50pf 1 GND 2 FM RF OUT 15 8 FM IF IN Input of FM IF Amplifier 1K 50pf 1 GND 2 9 GND2 GND for IF stage FM QUAD Detector FM RF OUT 15 QUAD connected. Recommendation 1 1K 10 50pf Ceramic Discriminator is GND 2 CDA 10.7MG31 (MURATA MFG. CO., LTD) UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R110-011,A UTC TA2003 NO LINEAR INTEGRATED CIRCUIT SYMBOL CONTENTS INTERNAL TERMINAL VOLTAGE CIRCUIT AM FM 1.4 1.1 3.0 3.0 0.9 3.0 0.9 3.0 3.0 3.0 3.0 3.0 FM RF OUT 15 DET OUT Output of FM/AM Detector 1K 1 50pf 11 GND 2 FM RF OUT 15 AM OSC AM local Oscillator Terminal 1K Oscillator Coil is connected. 1 50pf 12 GND 2 FM RF OUT FM OSC 15 FM local Oscillator Terminal 1K Oscillator Coil is connected 1 50pf 13 GND 2 FM RF OUT 15 AM/FM switch connected to Pin14 Vcc->FM mode Pin14 OPEN->AM mode 1 15 FM RF OUT FM RF Coil is conected 50pf AM/FM SW 1K 14 GND 2 cf. PIN 1 FM RF OUT 15 AM RF IN input of AM RF Amplifier 1K 1 50pf 16 GND 2 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R110-011,A UTC TA2003 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL VALUE Vcc 8 V PD(Note) 750 mW Operating Temperature Topr -25~75 °C Storage Temperature Tstg -55~150 °C Supply Voltage Power Dissipation DIP-16 SOP-16 UNITS 350 ELECTRICAL CHARACTERISTICS Unless otherwise specified,Ta=25°C,VCC=3V, PARAMETER Supply Current F/E FM IF AM Input Limiting Voltage Qulescent Sensitivlty Local OSC Voltage Local OSC Stop Voltage Input Limiting Voltage Aecovered Output Voltage Signal To Noise Ratio Total Harmonic Distortion AM Rejection Ratio Voltage Gain Recovered Output Voltage Signal To Noise Ratio Total Harmonic Distortion Local DSC Stop Voltage FE FM IF AM SYMBOL : f = 98MHz, fm = 1KHz : f = 10.7MHz, fm = 1KHz : f = 1MHz, MOD = 30%, fm = 1 KHz TEST TEST CONDITIONS MIN TYP MAX CIRCUIT Icc (FM) Icc (AM) Vin(lim) Qs Vosc Vstop(FM) Vin(lim) IF VOD S/N THD AMR Gv VOD S/N THD Vstop (AM) 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 FM Mode, Vin=0 AM Mode, Vin=0 -3dB limiting point S/N=30dB fosc=108MHz Vin=0 -3dB limiting point Vin=80dB V EMF Vin=80dB V EMF Vin=80dB V EMF Vin=80dB V EMF Vin=27dB V EMF Vin=60dB V EMF Vin=60dB V EMF Vin=60dB V EMF Vin=0 160 42 50 15 35 - 10.5 5.0 12 12 240 1.2 47 70 62 0.4 33 32 60 43 1.0 1.6 16.5 8.0 320 52 90 50 85 - UNIT mA dB V EMF dB V EMF mVrms V dB V EMF mVrms dB % dB mVrms mVrms dB % V COIL DATA (Test circuit) COIL NO. TEST FREQ (Hz) L Co (mH) (pF) 1-2 2-3 1-3 1-4 4-6 L1 FM RF 100M - - 100 - - - 2.25 - 0.5 UEW L2 FM OSC 100M - - 100 - - 1.75 - - 0.5 UEW L3 AM OSC 796K 26B - 125 14 86 - - - 0.06 UEW UTC Qo TURNS WIRE UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R110-011,A UTC TA2003 LINEAR INTEGRATED CIRCUIT V.C. L1 , L2 L3 3 3 PIN 12 4 2 1 6 1 Vcc TEST CIRCUIT 1 - 22uF + AM 4700pF 0.047uF 20 k£[ FM 1k£[ DET OUT Vcc FM 16 AM RF IN 15 220uF - 15pF 0.01uF 75 £[ Vin L3 L2 L1 0.022uF CDA10.7MG31 75 £[ 2.2 k£[ 4700pF 2.2 mH AM RF IN 0.01uF + AM 14 AM/ FM FM RF OUT FM/AM SW SW 13 12 FM OSC FM OSC AM OSC 11 DET OUT AM OSC 10 QUAD 9 GND2 FM DET AM RF AM DET FM RF IN 75 £[ FM RF FM MIX AM MIX AGC AM IF BPF 1 FM RF IN GND1 2 3 FM MIX 4 AM MIX AGC 5 Vcc 6 7 FM IF AM IF IN 8 FM IF IN Vin 33uF SFE10.7MA5L SFU455C5 SFE10.7MA5L 75 £[ FM IF IN 270£[ Vin UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R110-011,A UTC TA2003 LINEAR INTEGRATED CIRCUIT TEST CIRCUIT 2 16 13 12 11 10 FM RF OUT 15 AM/FM SW FM OSC AM OSC DET OUT QUAD FM RF IN GND1 FM MIX 1 2 3 - 9 2.2 k 14 AM RF IN + 220uF - 0.01uF + 220uF 0.01uF Vcc ( 3V ) GND2 UTC TA2003 UTC AM MIX 4 AGC 5 Vcc 6 AM IF IN 7 FM IF IN 8 UNISONIC TECHNOLOGIES CO., LTD. 6 QW-R110-011,A