Silicore
FM STEREO MULTIPLEX DECODER
z GENERAL DESCRIPTION
The CD7343CS is a monolithic integrated circuit consisting of...
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...