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. IF/AM INPUT 1 20 GND AMPLIFIED AGC (BYPASS) 2 19 FM INPUT 1st STAGE OUTPUT 3 18 FM INPUT (BYPASS) AM/FM SWITCH 4 17 5.5MHz TUNED CIRCUIT 2nd STAGE INPUT 5 16 DEEMPHASIS CAPACITOR 2nd STAGE OUTPUT 6 15 MUTE SWITCH AGC BYPASS 7 14 SCART AUDIO OUTPUT REFERENCE VOLTAGE (+6V) 8 13 SCART SWITCH VOLUME CONTROL INPUT 9 12 SCART AUDIO INPUT 10 11 POWER SUPPLY (+12V) AUDIO OUTPUT (0 to 1 V RMS) October 1993 8192-01.EPS PIN CONNECTIONS 1/5 TDA8192 BLOCK DIAGRAM IF/AM INPUT 1 AMPLIFIED 2 AGC (BYPASS) 1st STAGE OUTPUT 2nd STAGE INPUT 2nd STAGE OUTPUT SCART AUDIO INPUT 3 5 6 12 FIRST AM STAGE 2nd AM STAGE AM DEMOD VOLUME CONTROL 10 AUDIO OUTPUT VOLUME 9 CONTROL INPUT FM INPUT 19 FM INPUT 18 (BYPASS) AGC FM LIMITER 13 SCART SWITCH 11 POWER SUPPLY 8 REFERENCE VOLTAGE MUTE FM DEMOD 17 16 5.5MHz TUNED CIRCUIT DEEMPHASIS CAPACITOR 4 15 AM/FM MUTE SWITCH SWITCH 14 20 SCART AUDIO OUTPUT GND 8192-02.EPS AGC BYPASS 7 ABSOLUTE MAXIMUM RATINGS Parameter Value Unit VS Supply Voltage 16 V Ptot Total Power Dissipation at Tamb ≤ 70°C 800 mW Top Operating Temperature 0 to 70 °C – 55 to 150 °C Value Unit 100 °C/W Tstg, Tj Storage and Junction Temperature 8192-01.TBL Symbol Symbol R th j-amb 2/5 Parameter Thermal Resistance Junction-ambient Max. 8192-02.TBL THERMAL DATA TDA8192 ELECTRICAL CHARACTERISTICS (Tamb = 25°C, VS = 12V unless otherwise specified) Symbol Vs Id Parameter Supply Voltage Supply Current Test Conditions Vi = 0 Min. 10.8 AM FM Typ. 12 30 30 Max. 13.2 Unit V mA mA AM SECTION (fi = 39.2MHz, Vi = 1mV, m = 0.8, fm = 1kHz unless otherwise specified) Vi S+N Input Sensitivity Signal to Noise Ratio N Vi Vo d d Ri Ci AGC Range Recovered Audio Signal Distortion (1) Distortion (2) Input Resistance between Pins 1 and 2 Input Capacitance between Pins 1 and 2 S/N = 26dB Vi = 0.1mV m = 0.3 Vi = 1mV Vi = 10mV ∆VOUT = – 1 to + 1dB 50 0.6 m= 0 m= 0 35 36 50 56 66 1 µV dB 1.5 3 3 2 18 dB VRMS % % kΩ pF FM SECTION (fi = 5.5MHz, Vi = 1mV, ∆f = ± 50KHz, fm = 1kHz, unless otherwise specified) (continued) Vi AMR S+N N d d Vo Ri Ci CT Input Limiting Voltage Amplitude Modulation – 3dB Limiting Point Vi = 30mV, m = 0.3 Signal to Noise Ratio Vi = 1mV Distortion (3) Distortion (4) Recovered Audio Signal Input Resistance Input Capacitance Crosstalk AM/FM ∆f = 0 ∆f = 0 µV dB 30 55 60 0.5 2 dB 2 1 1.5 % % 1.5 VRMS kΩ pF dB VS 0.8 1 VS V V V V dB µA µA 14 70 AM/FM AND MUTE SWITCHING 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 2.5 0 0 5 70 110 250 50 SCART SWITCHING Mode Selection Voltage : TV Selected (pin. 13) Mode Selection Voltage : Scart Selected (pin 13) Scart Switch Input Resistance Scart Audio Input Amplitude (pin 12) Crosstalk Between Switched Inputs (TV scart) 0 8 10 5 12 0.5 80 2 V V kΩ Vrms dB Audio Output Impedance (pin 10) Control Range Output/input Gain for Maximum Gain Control Gain Control Voltage Noise Level (DIN 45405) (1) (2) (3) (4) 1 90 0 0.5 4.5 25 kΩ dB dB V µVrms 50% volume setting, Vi = 1mV 50% volume setting, Vi = 10mV Vi = 1mV, fm = 100 to 10.000Hz Vi = 1mV, ± 20KHz offset (detuning of phase shift filter). 3/5 8192-03.TBL DC VOLUME CONTROL TDA8192 TEST CIRCUIT L3 C3 600Ω SCART AUDIO IN 100nF L1 to V CC 5.1kΩ C1 to Pin 2 10kΩ to V CC 100nF 3 IF/AM 12 6 5 AUDIO OUT 50Ω IN 1 AM STAGE 2nd AM AM VOLUME STAGE DEMOD CONTROL 6.8nF 10 100nF 12kΩ 9 47nF 7 13 SWITCH V CC 22nF FM LIMITER DEMOD REF 8 18 16 17 C2 10kΩ 3.3nF 4 15 14 AM/FM MUTE SCART SWITCH SWITCH L2 L1 = L2 : Qu = 95 at fO = 39.2MHz with CO = 100pF (TOKO HBKOCE-K5807 CF) L3 : Qu = 80 at fO = 5.5MHz with CO = 68pF (TOKO BKAC-K1640 HM) 4/5 100µF 50Ω 22nF MUTE FM 100µF VS 11 19 IN SC ART 100nF 3.3nF AG C 100nF FM 10kΩ 4.7kΩ 20 AUDIO OUT 8192-03.EPS 47nF 2 1kΩ FIRST TDA8192 I b1 L a1 PACKAGE MECHANICAL DATA 20 PINS - PLASTIC DIP B b e E Z Z e3 D 11 1 10 a1 B b b1 D E e e3 F i L Z Min. 0.254 1.39 Millimeters Typ. Max. 1.65 Min. 0.010 0.055 0.45 0.25 Inches Typ. Max. 0.065 0.018 0.010 25.4 8.5 2.54 22.86 1.000 0.335 0.100 0.900 7.1 3.93 3.3 0.280 0.155 DIP20.TBL Dimensions PM-DIP20.EPS F 20 0.130 1.34 0.053 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without noti ce. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. 1994 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 5/5