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TDA8192 Dataheets PDF



Part Number TDA8192
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description MULTISTANDARD AM AND FM SOUND IF CIRCUIT FOR TV
Datasheet TDA8192 DatasheetTDA8192 Datasheet (PDF)

TDA8192 MULTISTANDARD AM AND FM SOUND IF CIRCUIT FOR TV . . . . . . . A 2-STAGE GAIN CONTROLLED AMPLIFIER, PROVIDING COMPLETE IF GAIN ; (AM SECTION) A PEAK DETECTOR AND INTEGRATION WHICH PROVIDES AGC-VOLTAGE ; (AM SECTION) A 6-STAGE LIMITING AMPLIFIER FOLLOWED BY A SYNCHRONOUS DEMODULATOR AND DEEMPHASIS NETWORK ; (FM SECTION) AN AUDIO PREAMPLIFIER A CIRCUIT PROVIDING AM/FM SWITCHING AND MUTE FACILITIES AN EXTERNAL AUDIO INPUT CIRCUIT WITH SWITCHING FACILITIES TO DELIVER EITHER THE DEMODULATED .

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TDA8192 MULTISTANDARD AM AND FM SOUND IF CIRCUIT FOR TV . . . . . . . A 2-STAGE GAIN CONTROLLED AMPLIFIER, PROVIDING COMPLETE IF GAIN ; (AM SECTION) A PEAK DETECTOR AND INTEGRATION WHICH PROVIDES AGC-VOLTAGE ; (AM SECTION) A 6-STAGE LIMITING AMPLIFIER FOLLOWED BY A SYNCHRONOUS DEMODULATOR AND DEEMPHASIS NETWORK ; (FM SECTION) AN AUDIO PREAMPLIFIER A CIRCUIT PROVIDING AM/FM SWITCHING AND MUTE FACILITIES AN EXTERNAL AUDIO INPUT CIRCUIT WITH SWITCHING FACILITIES TO DELIVER EITHER THE DEMODULATED IF, OR THE EXTERNAL AUDIO SIGNAL AT THE OUTPUT FULLY COMPATIBLE WITH THE SCART EUROPEAN NORM EN50 049 A DC CONTROLLED VOLUME CIRCUIT DIP20 (Plastic Package) ORDER CODE : TDA8192 DESCRIPTION The demodulated IF signal is always available at a low impedance output. PIN CONNECTIONS IF/AM INPUT AMPLIFIED AGC (BYPASS) 1st STAGE OUTPUT AM/FM SWITCH 2nd STAGE INPUT 2nd STAGE OUTPUT AGC BYPASS REFERENCE VOLTAGE (+6V) VOLUME CONTROL INPUT AUDIO OUTPUT (0 to 1 V RMS) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 GND FM INPUT FM INPUT (BYPASS) 5.5MHz TUNED CIRCUIT DEEMPHASIS CAPACITOR MUTE SWITCH SCART AUDIO OUTPUT SCART SWITCH SCART AUDIO INPUT POWER SUPPLY (+12V) 8192-01.EPS October 1993 1/5 TDA8192 BLOCK DIAGRAM 1st STAGE OUTPUT 3 2nd STAGE INPUT 5 2nd STAGE OUTPUT 6 SCART AUDIO INPUT 12 IF/AM INPUT 1 AMPLIFIED 2 AGC (BYPASS) FIRST AM STAGE 2nd AM STAGE AM DEMOD VOLUME CONTROL 10 AUDIO OUTPUT VOLUME 9 CONTROL INPUT AGC BYPASS 7 AGC 13 SCART SWITCH POWER SUPPLY 11 FM INPUT 19 FM INPUT 18 (BYPASS) FM LIMITER FM DEMOD MUTE REFERENCE VOLTAGE 8192-02.EPS 8 17 16 4 15 14 20 5.5MHz TUNED CIRCUIT DEEMPHASIS CAPACITOR AM/FM MUTE SWITCH SWITCH SCART AUDIO OUTPUT GND ABSOLUTE MAXIMUM RATINGS Symbol VS Ptot Top Tstg, Tj Supply Voltage Total Power Dissipation at Tamb ≤ 70°C Operating Temperature Storage and Junction Temperature Parameter Value 16 800 0 to 70 – 55 to 150 Unit V °C °C 8192-01.TBL 8192-02.TBL mW THERMAL DATA Symbol R th j-amb Parameter Thermal Resistance Junction-ambient Max. Value 100 Unit °C/W 2/5 TDA8192 ELECTRICAL CHARACTERISTICS (Tamb = 25°C, VS = 12V unless otherwise specified) Symbol Vs Id Parameter Supply Voltage Supply Current Test Conditions Vi = 0 AM FM Min. 10.8 Typ. 12 30 30 35 36 50 56 66 1 Max. 13.2 Unit V mA mA µV dB AM SECTION (fi = 39.2MHz, Vi = 1mV, m = 0.8, fm = 1kHz unless otherwise specified) Vi S+N Input Sensitivity Signal to Noise Ratio S/N = 26dB Vi = 0.1mV m = 0.3 Vi = 1mV Vi = 10mV ∆VOUT = – 1 to + 1dB N Vi Vo d d Ri Ci Vi AMR S+N AGC Range Recovered Audio Signal Distortion (1) Distortion (2) Input Resistance between Pins 1 and 2 Input Capacitance between Pins 1 and 2 Input Limiting Voltage Amplitude Modulation Signal to Noise Ratio Distortion (3) Distortion (4) Recovered Audio Signal Input Resistance Input Capacitance Crosstalk AM/FM FM ”on” (pin. 4) AM ”on” (pin 4) Mute ”on” (pin 15) Mute ”off” (pin 15) Signal Attenuation for Mute ”off” Mute Switch Current AM/FM Switch Current SCART SWIT.


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