|Category||Communication => Freq/Signal Converters/Generators|
|Description||FM Stereo Decoder|
|Company||ST Microelectronics, Inc.|
|Datasheet||Download TEA1330 datasheet
REQUIRES NO INDUCTORS LOW EXTERNAL PART COUNT ONLY OSCILLATOR FREQUENCY ADJUSTMENT NECESSARY INTEGRAL STEREO/MONAURAL SWITCH WITH HIGH LAMP DRIVING CAPABILITY WIDE SUPPLY RANGE TO 14V EXCELLENT CHANNEL SEPARATION MAINTAINED OVER ENTIRE AUDIO FREQUENCY RANGE LOW DISTORSION : TYPICALLY AT 150mVRMS COMPOSITE INPUT SIGNAL EXCELLENT SCA REJECTION (76dB Typ.)
DESCRIPTION The is a monolithic decoder circuit for FM stereo transmissions. Packaged a 16-pin DIP, it functions with very few external components and requires no inductors. PIN CONNECTION
Symbol VS IL Ptot Toper Tstg Parameter Supply Voltage Lamp Current o Power Dissipation at Tamb 70 C Operating Temperature Storage Temperature Value Unit mA mWSymbol R th (j-a) Parameter Junction-ambient Thermal Resistance Max. Value 100
ELECTRICAL CHARACTERISTICS (refer to the test circuit, Tamb = 90%, pilot = 1kHz, unless otherwise specified)
Symbol VI RI Sep d UR Parameter Supply Voltage Range Current Drain Max. Standard Composite Input Signal Max. Mono Input Signal Input Resistance Stereo Channel Separation Audio Output Voltage Mono Channel Balance Total Harmonic Distortion Ultrasonic Frequency Rejection Test Conditions Lamp "OFF" R2 = Variable (see note = 270 Pilot Tone "OFF" VIN = 38kHz Min. Typ. 18 Max. 14 Unit V mA mVRMS % dB
Parameter SCA Rejection (see note 2) Signal to Noise Ratio Muting Threshold Voltage (Pin 9) Pilot Input Level for Lamp ON Pilot Input Level Hysteresis for Lamp Turn ON-OFF Capture RangeR2 has to be adjusted for best figure of channel separation. SCA = AUX. SUB. CARRIER.
Figure 2 : P.C. Board and Components layout of the test Circuit of Figure 1 (1:1 scale)
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