TDA8192
MULTISTANDARD AM ANDFM SOUND IF CIRCUIT FOR TV
.
A2-STAGE GAIN CONTROLLEDAMPLIFIER,
PROVIDINGCOMPLETE IF GAIN ;
(AM SECTION)
.
A PEAK DETECTOR AND INTEGRATION
WHICH PROVIDESAGC-VOLTAGE;
(AM SECTION)
.
A 6-STAGE LIMITING AMPLIFIER FOLLOWED BY A SYNCHRONOUS DEMODULATOR AND DEEMPHASISNETWORK ;
(FM SECTION)
.
AN AUDIOPREAMPLIFIER
.
A CIRCUIT PROVIDING AM/FM SWITCHING
ANDMUTE FACILITIES
.
AN EXTERNALAUDIO INPUT CIRCUIT WITH
SWITCHING FACILITIES TO DELIVER
EITHER THE DEMODULATED IF, OR THE
EXTERNALAUDIOSIGNALATTHE OUTPUT
FULLY COMPATIBLE WITH THE SCART
EUROPEANNORMEN50 049
.
ADC CONTROLLEDVOLUME CIRCUIT
ORDER CODE : TDA8192
DIP20
(Plastic Package)
DESCRIPTION
The demodulatedIFsignalisalwaysavailableata
low impedanceoutput.
PIN CONNECTIONS
IF/AM INPUT
AMPLIFIEDAGC (BYPASS)
1st STAGE OUTPUT
AM/FMSWITCH
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
IF/AM INPUT
AMPLIFIED
AGC (BYPASS)
AGC BYPASS
FM INPUT
FM INPUT
(BYPASS)
19
18
1st
STAGE
OUTPUT
FIRST
1
2
7
AM
STAGE
AGC
FM
LIMITER
2nd
STAGE
INPUT
53
2nd AM
STAGE
FM
DEMOD
5.5MHz
TUNED
CIRCUIT
2nd
STAGE
OUTPUT
6
DEMOD
16
DEEMPHASIS
CAPACITOR
AM
4
AM/FM
SWITCH
SCART
AUDIO
INPUT
12
MUTE
MUTE
SWITCH
VOLUME
CONTROL
141517
AUDIO
OUTPUT
AUDIO
10
OUTPUT
VOLUME
9
CONTROL
INPUT
SCART
13
SWITCH
POWER
11
SUPPLY
REFERENCE
8
20
GNDSCART
VOLTAGE
8192-02.EPS
ABSOLUTEMAXIMUM RATINGS
Symbol Parameter Value Unit
V
S
P
tot
T
op
T
, TjStorage and Junction Temperature – 55 to 150 °C
stg
Supply Voltage 16 V
Total Power Dissipation at T
≤ 70°C 800 mW
amb
Operating Temperature 0 to 70 °C
THERMALDATA
Symbol Parameter Value Unit
R
th j-amb
Thermal Resistance Junction-ambient Max. 100 °C/W
8192-01.TBL
8192-02.TBL
2/5
TDA8192
ELECTRICAL CHARACTERISTICS (T
=25°C, VS=12V unless otherwise specified)
amb
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
AM SECTION (f
S + N
V
Supply Voltage 10.8 12 13.2 V
s
Supply Current Vi= 0 AM
I
d
= 39.2MHz, Vi= 1mV, m= 0.8, fm= 1kHz unless otherwise specified)
i
Input Sensitivity S/N = 26dB 35 µV
V
i
FM
Signal to Noise Ratio Vi= 0.1mV m = 0.3
= 1mV
V
N
AGC Range ∆V
V
i
Recovered Audio Signal 0.6 1 1.5 V
o
i
= 10mV 50
V
i
= – 1 to + 1dB 66 dB
OUT
30
30
36
50
56
d Distortion (1) 3 %
d Distortion (2) 3 %
R
C
FM SECTION (f
AMR Amplitude Modulation V
S + N
Input Resistance between Pins 1 and 2 m = 0 2 kΩ
i
Input Capacitance between Pins 1 and 2 m = 0 18 pF
i
= 5.5MHz, Vi= 1mV, ∆f = ± 50KHz, fm= 1kHz, unless otherwise specified) (continued)
i
Input Limiting Voltage – 3dB Limiting Point 30 µV
V
i
= 30mV, m = 0.3 55 dB
i
Signal to Noise Ratio Vi= 1mV 60 dB
N
d Distortion (3) 1.5 %
d Distortion (4) 2 %
V
R
C
C
Recovered Audio Signal 0.5 1 1.5 V
o
Input Resistance ∆f = 0 2 kΩ
i
Input Capacitance ∆f = 0 14 pF
i
Crosstalk AM/FM 70 dB
T
AM/FM AND MUTE SWITCHING
FM ”on” (pin. 4) 2.5 V
S
AM ”on” (pin 4) 0 0.8 V
Mute ”on” (pin 15) 0 1 V
Mute ”off” (pin 15) 5 V
S
Signal Attenuation for Mute ”off” 70 dB
Mute Switch Current 110 µA
AM/FM Switch Current 50 250 µA
SCART SWITCHING
Mode Selection Voltage : TV Selected (pin. 13) 0 5 V
Mode Selection Voltage : Scart Selected (pin 13) 8 12 V
Scart Switch Input Resistance 10 kΩ
Scart Audio Input Amplitude (pin 12) 0.5 2 V
Crosstalk Between Switched Inputs (TV scart) 80 dB
DC VOLUME CONTROL
Audio Output Impedance (pin 10) 1 kΩ
Control Range 90 dB
Output/input Gainfor Maximum Gain Control 0 dB
Gain Control Voltage 0.5 4.5 V
Noise Level (DIN 45405) 25 µV
(1) 50% volume setting, Vi= 1mV
(2) 50% volume setting, V
(3) V
(4) Vi = 1mV,± 20KHz offset(detuning of phase shift filter).
= 1mV,fm = 100 to 10.000Hz
i
=10mV
i
mA
mA
dB
RMS
RMS
V
V
rms
rms
8192-03.TBL
3/5
TDA8192
TEST CIRCUIT
V
to VCCtoto Pin 2
CC
SCART AUDIO IN
IF/AM
IN
100nF
C1
50Ω12kΩ
1
2
10kΩ
FIRST
AM
STAGE
L1
L3 C3
53
2nd AM
STAGE
5.1kΩ
6
AM
DEMOD
47nF
AGC
7
47nF
22nF
3.3nF
FM
IN
50Ω
22nF
L1 = L2 :Qu = 95 at fO= 39.2MHz with CO= 100pF (TOKO HBKOCE-K5807 CF)
L3 : Qu= 80 at f
19
FM
LIMITER
18
C2
= 5.5MHz with CO= 68pF (TOKO BKAC-K1640 HM)
O
DEMOD
Ω
10k
FM
16
3.3nF
L2
4
AM/FM
SWITCH
100nF
12
MUTE
MUTE
SWITCH
141517
SCART
AUDIO
OUT
600Ω
VOLUME
CONTROL
AUDIO OUT
1kΩ
6.8nF
10
100nF
9
4.7k
Ω
10kΩ
SCART
13
SWITCH
V
100nF
100nF
CC
100µF
100µF
8192-03.EPS
11
V
S
8
REF
20
4/5
PACKAGE MECHANICAL DATA
20 PINS- PLASTICDIP
a1
TDA8192
I
L
Z
Dimensions
b
e3
20 11
1 10
B
D
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
e
Z
F
E
a1 0.254 0.010
B 1.39 1.65 0.055 0.065
b 0.45 0.018
b1 0.25 0.010
D 25.4 1.000
E 8.5 0.335
e 2.54 0.100
e3 22.86 0.900
F 7.1 0.280
i 3.93 0.155
L 3.3 0.130
Z 1.34 0.053
b1
PM-DIP20.EPS
DIP20.TBL
Information furnished is believed to be accurateand reliable. However,SGS-THOMSON Microelectronics assumes no responsibility
for the consequences of use of suchinformation nor for any infringement of patents or otherrights of third parties which may result
from itsuse. Nolicence is granted by implicationor otherwise under any patent or patentrights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied. SGS-THOMSONMicroelectronics products are not authorized for use as criticalcomponents inlife
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I
2
I
C Patent. Rights to use these components in a I2C system,is granted provided that the system conforms to
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.
2
C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
2
the I
C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
5/5
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