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STMicroelectronics Electronic Components Datasheet

TDA7494S Datasheet

10W AMPLIFIER

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® TDA7494S
10W AMPLIFIER
10W OUTPUT POWER RL = 8,
@ THD = 10% VCC = 28V
ST-BY AND MUTE FUNCTIONS
NO BOUCHEROT CELL
NO ST-BY RC INPUT NETWORK
SINGLE SUPPLY RANGING UP TO 35V
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
INTERNALLY FIXED GAIN
SOFT CLIPPING
LOW TURN-ON TURN-OFF POP NOISE
MULTIWATT 15 PACKAGE
DESCRIPTION
The TDA7494S 10W is class AB power amplifier
assembled in the @Multiwatt 15 package, spe-
MULTIPOWER BI50II TECHNOLOGY
Multiwatt15
ORDERING NUMBER: TDA7494S
cially designed for high quality sound, TV applica-
tions.
Features of the TDA7494S include Stand-by and
mute functions.
BLOCK AND APPLICATION DIAGRAM
470nF
IN 1
1
30K
PWR GND
15
SGN GND
8
D99AU1012
13 +VCC
PWR
14
470µF
MUTE/STBY
PROTECTIONS
OUT
SVR
79
STAND-BY
10
470µF
10K
1µF
MUTE
December 1999
1/12


STMicroelectronics Electronic Components Datasheet

TDA7494S Datasheet

10W AMPLIFIER

No Preview Available !

TDA7494S
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
VIN
Ptot
Tamb
Tstg, Tj
Parameter
DC Supply Voltage
Maximum Input Voltage
Total Power Dissipation (Tamb = 70°C)
Ambient Operating Temperature Range (1)
Storage and Junction Temperature
(1) Operation between -20 to 85 °C guaranteed by correlation with 0 to 70°C.
(2) Pin 3 is ESD sensitive (max. voltage ±1.5KV)
Value
40
8
16
-20 to +85
-40 to 150
Unit
V
Vpp
W
°C
°C
PIN CONNECTION
15 PWR GND
14 OUT
13 +VCC
12 N.C.
11 N.C.
10 MUTE
9 STAND-BY
8 SGN GND
7 SVR
6 N.C.
5 N.C.
4 N.C.
3 N.C.
2 N.C.
1 IN 1
D99AU1014
THERMAL DATA
Symbol
Rth j-case
Rth j-amb
Parameter
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Value
Unit
Typ = 3.8 Max = 4.8 °C/W
max 35 °C/W
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS = 21V, RL = 8; Rg = 50;
Tamb = 25°C; unless otherwise specified.)
Symbol
VS
Iq
DCVOS
VO
PO
Parameter
Supply Voltage Range
Total Quiescent Current
Output DC Offset Referred to
SVR Potential
Quiescent Output Voltage
Output Power
Test Condition
Min.
11
No Input Signal
-550
VS = 18V
THD = 10%; VCC = 28V, RL = 8
THD = 1%; VCC = 28V
THD = 10%; VCC = 21V,
THD = 1%; VCC = 21V,
THD = 10%; VCC = 21V, RL = 4
THD = 1%; VCC = 21V,
THD = 10%; VCC = 18V,
THD = 1%; VCC = 18V
THD = 10%; VCC = 18V, RL = 8
THD = 1%; VCC = 18V
7.8
8
6
5
3.5
5
3.9
4.5
3.5
3.5
2.2
Typ.
22
9
10
8
5.5
4
6.6
5.5
6
4.5
3.75
2.85
Max.
35
50
550
10.2
Unit
V
mA
mV
V
W
W
W
W
W
W
2/12


Part Number TDA7494S
Description 10W AMPLIFIER
Maker ST Microelectronics
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