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PDF TDA7497 Data sheet ( Hoja de datos )
| Número de pieza | TDA7497 | |
| Descripción | 10 + 10W STEREO AMPLIFIER WITH MUTE/ST-BY | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TDA7497 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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TDA7497
10 + 10W STEREO AMPLIFIER WITH MUTE/ST-BY
WIDE SUPPLY VOLTAGE RANGE (UP TO
±22V ABS MAX.)
SPLIT SUPPLY
HIGH OUTPUT POWER:
10 + 10W @ THD =10%, RL = 8Ω, VS = +14V
NO POP AT TURN-ON/OFF
MUTE (POP FREE)
STAND-BY FEATURE (LOW IQ)
FEW EXTERNAL COMPONENTS
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
PRODUCT PREVIEW
Multiwatt 8
ORDERING NUMBER: TDA7497
DESCRIPTION
The TDA7497 is class AB dual Audio power am-
plifier assembled in the Multiwatt package, spe-
Figure 1: Typical Application Circuit
cially designed for high quality sound application
as Hi-Fi music centers and stereo TV sets.
15K 1µF
MUTE/
ST-BY
IN (L)
4
6
1µF
+5V µP
15K 18K
GND 7
1µF
IN (R)
8
D94AU069A
+VS
+VS
2
1000µF
+ 3 OUT (L)
-
4.7Ω
100nF
RL (L)
-
+
1000µF
5
-VS
1 OUT (R)
4.7Ω
100nF
RL (R)
September 1995
1/7
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
1 page  
TDA7497
MUTE STAND-BY FUNCTION
The pin 4 (MUTE/STAND-BY) controls the ampli-
fier status by two different thresholds, referred to
+VS.
- When Vpin4 higher than = +VS - 2.5V the
amplifier is in Stand-by mode and the final
stage generators are off
- when Vpin4 is between +VS - 2.5V and +VS
- 6V the final stage current generators are
switched on and the amplifier is in mute
mode
- when Vpin4 is lower than +VS - 6V the am-
plifier is play mode.
Figure 4: Attenuation & Total Quiescent Current vs. Vpin4 Voltage
+VS
(V)
20
-VS
-20
VIN
(mV)
Vpin4
(V)
VS
VS-2.5
VS-6
VS-10
Iq
(mA)
0
VOUT
(V)
t
OFF
PLAY
STDBY PLAY
OFF
STDBY
STDBY
MUTE D94AU084 MUTE
MUTE
MUTE
5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet TDA7497.PDF ] | |
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