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PDF TDA7496 Data sheet ( Hoja de datos )

Número de pieza TDA7496
Descripción 5W+5W AMPLIFIER
Fabricantes ST Microelectronics 
Logotipo ST Microelectronics Logotipo



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No Preview Available ! TDA7496 Hoja de datos, Descripción, Manual

TDA7496
5W+5W AMPLIFIER WITH DC VOLUME CONTROL
5+5W OUTPUT POWER
RL = 8@THD = 10% VCC = 22V
ST-BY AND MUTE FUNCTIONS
LOW TURN-ON TURN-OFF POP NOISE
LINEAR VOLUME CONTROL DC COUPLED
WITH POWER OP. AMP.
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
VARIABLE OUTPUT AFTER VOLUME CON-
TROL CIRCUIT
MULTIWATT 15 PACKAGE
DESCRIPTION
The TDA7496 is a stereo 5+5W class AB power
BLOCK AND APPLICATION DIAGRAM
MULTIPOWER BI50II TECHNOLOGY
Multiwatt15
ORDERING NUMBER: TDA7496
amplifier assembled in the @ Multiwatt 15 pack-
age, specially designed for high quality sound, TV
applications.
Features of the TDA7496 include linear volume
control, Stand-by and mute functions.
PW_GND
11
INR
470nF
1
30K
VAROUT_R
2
VS
13
VOLUME
+
-
OP AMP
S_GND
8
INL
470nF
5
470µF
SVR 7
VOLUME
30K
VOLUME
3
MUTE/STBY
PROTECTIONS
+
-
OP AMP
4
VAROUT_L
+5V
100nF
300K
PW_GND
15
1000µF
14
OUTR
9 STBY
10K
10 MUTE
60K 1µF
12 OUTL
1000µF
D96AU440D
S1 ST-BY
+5V
S_GND
+5V
S2 MUTE
April 1998
1/10

1 page




TDA7496 pdf
MUTE STAND-BY TRUTH TABLE
MUTE
H
L
H
L
ST-BY
H
H
L
L
TDA7496
OPERATING CONDITION
STANDBY
STANDBY
MUTE
PLAY
Turn ON/OFF Sequences (for optimizing the POP performances)
A) USING MUTE AND STAND-BY FUNCTIONS
VS (V)
ST-BY
pin#9 (V)
5
VSVR
pin#7(V)
2.5V
MUTE
pin#10 (V)
5
INPUT
(mV)
VOUT
(V)
IQ
(mA)
OFF STBY MUTE
PLAY
MUTE STBY OFF
D97AU684
B) USING ONLY THE MUTE FUNCTION
To semplify the application, the stand-by pin can
be connected directly to Ground.
During the ON/OFF transitions is recommend to
respect the following conditions.
- At the turn-on, the transition mute - play must
be made when the SVR pin is higher than
2.5V
- At the turn-off, the TDA7496 must be brought
to mute from the play condition when the SVR
pin is higher than 2.5V.
5/10

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