SGS Thomson Microelectronics TDA8192 Datasheet
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
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