CD7343CS

Silicore FM STEREO MULTIPLEX DECODER z GENERAL DESCRIPTION The CD7343CS is a monolithic integrated circuit consisting of a phase locked loop FM stereo de modulator. It is designed for car stereo, cassette recorder and other CD7343CS Out line Drawing equipment. FEATURES z z z Wide op erating supp ly voltage: Vcc=3.5V~12V High pilot la mp ON se nsitivity (V L ( O N ) = 9 mV) Built-in indicator lamp drive circuit Low distortion THD=0.08% at Vi=200mV z BLOCK DIAGRAM 2 1 AF Phase Detector DC 19kHz<90 Buffer Lamp Trigger 19kHz<0 38kHz 7 6 FW Switch 4 Vcc 76kHz 1/2 1/2 1/2 Voltage Regulator 5 3 Stereo Decorder 8 9 PIN CONNECTION CD7343CS 1 2 3 4 5 6 7 8 9 INCOM FIL1 Vcc VCO GND DPY FIL2 OUTL OUTR SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 1/5 CHMC Silicore MAXIMUM RATINGS Characteristics Supply Voltage La mp Voltage Lamp Current (Con tinuous) Power Diss ipation Operating Ambient Temp erature Range Storage Temp erature Range Symbol Vcc VLAMP ILAMP PD Topr Tstg CD7343CS Value 12 16 20 500 -25~75 -55~150 Unit V V mA mW °C °C ELECTRICAL CHARACTERISTICS ( Unless otherwise specified Vcc=8V,Ta mb=25 ° C,f=1kHz) Characteristic Quiescent Circuit Current Maximu m Input Voltage Channel Separation Total Harmonic Distortion (mono) Total Harmonic Distortion (stereo) Voltage Gain Channel Balance La mp ON l evel La mp OFF level La mp Hysteresis Carrier Leakage Symbol ICCQ Test Condition Vi=0 Min. Typ. Max. 11 900 36 45 0.08 0.08 -2.0 0 0 9 2 6 3 L+R=180mV Vp=20mV...