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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
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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 70C 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 = 25C, 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 V 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 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) DC VOLUME CONTROL 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) 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).
50 0.6
1.5 3 3
m= 0 m= 0 - 3dB Limiting Point Vi = 30mV, m = 0.3 Vi = 1mV
2 18 30 55 60 1.5 0.5 2 2 1 14 70 2.5 0 0 5 70 50 0 8 10 0.5 80 VS 0.8 1 VS 110 250 5 12 2 1.5
dB VRMS % % k pF V dB dB % % VRMS k pF dB V V V V dB A A V V k Vrms dB k dB dB V Vrms
FM SECTION (fi = 5.5MHz, Vi = 1mV, f = 50KHz, fm = 1kHz, unless otherwise specified) (continued)
N
d d Vo Ri Ci CT
f = 0 f = 0
AM/FM AND MUTE SWITCHING
1 90 0 0.5 25 4.5
3/5
8192-03.TBL
TDA8192
TEST CIRCUIT
to V CC to Pin 2 to V CC
SCART AUDIO IN
5.1k
10k
C1
L1
L3
C3
100nF
100nF
IF/AM IN
3
5
6
12 AUDIO OUT
50
600
1 2
FIRST AM STAGE
1k
2nd AM STAGE AM DEMOD
6.8nF
VOLUME CONTROL
10 100nF 9
47nF
12k
47nF
7
AG C
13 22nF
19
SC ART SWITCH
100nF
FM IN
3.3nF
V CC VS 11
FM LIMITER
18 17
50
FM DEMOD
MUTE
22nF
REF 8
100nF
16
3.3nF
4
AM/FM
15
MUTE
14
SCART AUDIO OUT
20
C2
10k
SWITCH SWITCH L2
100F
100F
10k
4.7k
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
8192-03.EPS
TDA8192
PACKAGE MECHANICAL DATA 20 PINS - PLASTIC DIP
a1
I
b1
b Z e3
B
e Z
L
E
D
20
11
F
1
10
Dimensions 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
Inches Typ.
Max. 0.065
0.45 0.25 25.4 8.5 2.54 22.86 7.1 3.93 3.3 1.34
0.018 0.010 1.000 0.335 0.100 0.900 0.280 0.155 0.130 0.053
DIP20.TBL
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. (c) 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
PM-DIP20.EPS

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