TDA8190 Datasheet, PDF (2/11 Pages) STMicroelectronics – TV SOUND CHANNEL WITH DC CONTROLS

TDA8190
BLOCK DIAGRAM
V_S
C5
C7
R3
C6
18
1
C1
IF IN
C2
C3
V OLTA GE
R E GU L A TOR
2
IF
R1
AMP.
LIM.
3
4
TURN-ON AND
TURN-OFF
SWITCH
L OW-P AS S
FILTER
THRESHOLD
SENSOR
FM
D ET E C T OR
AMPLI.
R0 1.1kΩ
C12
14 20
RL
C15
DC VOLUME
CONTROL
DC TONE
C ON T R OL
AFPA
17
C16
R4
R6
R5
19
C17
R8
13
R7 P2
12
THERMAL
PROTECTION
VOLUME
R9
5 6 15 16 7
8
L1
C8
C9
9
C10
C11
10 11
C13 C14
S1
VCR OUT
VCR IN
P1
TONE
ABSOLUTE MAXIMUM RATINGS
Symbol
Vs
V_I
V_i
Io
I_o
I₄
Pto t
T_stg - T_j
Parameter
Supply Voltage (pin 18)
Voltage at Pin 1
Input Voltage (pin 2)
Output Peak Current (repetitive)
Output Peak Current (non repetitive)
Current (pin 4)
Power Dissipation : at Tpins = 90 °C
at Tamb = 70 °C
Storage and Junction Temperature
THERMAL DATA
Symbol
Parameter
R_{th j–pins} Thermal Resistance Junction-pins
Rth j–amb Thermal Resistance Junction-ambient
(*) Obtained with GND pins soldered to printed circuit with minimized copper area.
Max.
Max.
Value
Unit
28
V
± V_s
1
V_pp
1.5
A
2
A
10
mA
4.3
W
1
W
– 40 to 150
°C
Value
14
80
Unit
°C/W
°C/W*
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