UTC TA7342P LINEAR INTEGRATED CIRCUIT PLL FM STEREO MULTIPLEX DESCRIPTION The UTC TA7342P is a PLL FM stereo multiplex integrated circuit, designed for portable radio applications. FEATURES *Wide operating supply voltage : Vcc=1.8V-5V *Suitable for LED driving : Ilamp=8mA(max.) *VCO stop capability (The VCO is stopped when the LPF2 termianl is connected to the power supply line, and the the stereo indicator is turn off.) *Easy Adjustment (The monitored free running frequency of VCO is 76kHz at stereo Lamp terminal SIP-9 BLOCK DIAGRAM UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R110-003,A UTC TA7342P LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS(Ta=25°C ) PARAMETER SYMBOL VALUE UNIT Vcc VLAMP ILAMP PD TOPR TSTG 6 8 8 500 -25 - +75 -55 +150 V V mA mW °C °C Supply Voltage Lamp Voltage Lamp Current (continuous) Power Dissipation Operating Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS ( Ta=25°C ,Vcc=3V, f=1kHz, unless otherwise specified) PARAMETER Quiescent Circuit Current Input Resistance Output Resistance Maximum Input Voltage SYMBOL TEST CONDITIONS ICCQ RIN ROUT Vi(max) At Lamp off Channel Separation Total Harmonic Distortion(mono) Total Harmonic Distortion (stereo) CS THD1 THD2 Voltage Gain Channel Balance Lamp ON Level Lamp OFF Level Stereo Lamp Hysteresis Carrier Leakage GV CB VL(ON) VL(OFF) VH C.L. Capture range SCA Rejection Ratio C.R. SCA Rej. Signal to Noise Ratio S/N MIN 4 Lj+R=90%, P=10% THD=5%, fm=1kHz L+R=180mV, P=20mV,fm=1kHz Vi=200mVrms (Monaural) L+R=1800mVrms,p=20mVrms, fm=1kHz Vi=200mVrms Vi=200mVrms pilot only pilot only From ON to OFF 19kHz,L+R=180mV,P=20mVrms 38kHz,L+R=180mV,P=20mVrms P=20mVrms P=20mVrms, L+R=160mVrms, SCA=200mVrms, fSCA=67kHz Vin=200mVrms, Rg=620Ω 30 -6.5 2 TYP MAX UNIT 4.5 10 5 400 8 mA kΩ kΩ mVrms 35 0.4 0.5 -5 0 9 6 3 31 60 +-3 80 6 dB % % 1 -3.5 1.5 15 82 dB dB mV mV mVrms dB dB % dB dB DC ELECTRICIAL CHARACTERISTICS TERMINAL ITEM DESCRIPTION VALUE UNIT 1 2 3 4 5 6 7 8 9 INPUT LPF-1 VCC VO GND ST. LAMP LPF-2 L-CH OUTPUT R-CH OUTPUT 0.7 2.4 3.0 2.5 0 2.4 1.0 1.0 V V V V V V V V V UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R110-003,A UTC TA7342P LINEAR INTEGRATED CIRCUIT TEST CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R110-003,A