TA7342P

www.DataSheet4U.com 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 PARAMETER Supply Voltage Lamp Voltage Lamp Current (continuous) Power Dissipation Operating Temperature Range Storage Temperature Range LINEAR INTEGRATED CIRCUIT SYMBOL Vcc VLAMP ILAMP PD TOPR TSTG ABSOLUTE MAXIMUM RATINGS(Ta=25°C ) VALUE 6 8 8 500 -25 - +75 -55 +150 UNIT V V mA mW °C °C ELECTRICAL CHARACTERISTICS ( Ta=25°C ,Vcc=3V, f=1kHz, unless otherwise specified) PARAMETER Quiescent Circuit Current Input Resistance Output Resistance Maximum Input Voltage Channel Separation Total Harmonic Distortion(mono) Total Harmonic Distortion (stereo) Voltage Gain Channel Balance Lamp ON Level Lamp OFF Level Stereo Lamp Hysteresis Carrier Leakage Capture range SCA Rejection Ratio Signal to Noise Ratio SYMBOL ICCQ RIN ROUT Vi(max) CS THD1 THD2 GV CB VL(ON) VL(OFF) VH C.L. C.R. SCA Rej. S/N TEST CONDITIONS At Lamp off MIN TYP 4.5 10 5 400 35 0.4 0.5 -5 0...