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PDF TDA7495S Data sheet ( Hoja de datos )
| Número de pieza | TDA7495S | |
| Descripción | 11W+11W AMPLIFIER | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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® TDA7495S
11+11W OUTPUT POWER
RL = 8Ω @THD = 10% VCC = 28V
ST-BY AND MUTE FUNCTIONS
LOW TURN-ON TURN-OFF POP NOISE
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
MULTIWATT 15 PACKAGE
DESCRIPTION
The TDA7495S is a stereo 11+11W class AB
power amplifier assembled in the @ Multiwatt 15
package, specially designed for high quality
sound, TV applications.
11W+11W AMPLIFIER
MULTIPOWER BI50II TECHNOLOGY
Multiwatt15
ORDERING NUMBER: TDA7495S
Features of the TDA7495S include linearStand-by
and mute functions.
BLOCK AND APPLICATION DIAGRAM
1
INR
470nF
30K
VS
13
+
-
OP AMP
S_GND
8
PW_GND
11
INL
470nF
5
470µF
SVR 7
MUTE/STBY
PROTECTIONS
+
30K -
OP AMP
60K
Jenuary 2000
1000µF
14
OUTR
9 STBY
10 MUTE
10K
1µF
12 OUTL
1000µF
PW_GND
15
D99AU1015
S1 ST-BY
+5V
S_GND
+5V
S2 MUTE
1/11
1 page  
TDA7495S
APPLICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of fig-
ure 1a. Different values can be used, the following table can help the designer.
COMPONENT
R2
C1
C2
C3
C4
C6
C7
C8
C9
SUGGESTION
VALUE
10K
1000µF
470nF
470nF
470µF
1000µF
1µF
1000µF
100nF
PURPOSE
LARGER THAN
SUGGESTION
Mute time constant Larger mute on/off time
Supply voltage
bypass
Input DC decoupling Lower low frequency cutoff
Input DC decoupling Lower low frequency cutoff
Ripple rejection
Better SVR
Output DC decoupling Lower low frequency cutoff
Mute time costant Larger mute on/off time
Output DC decoupling Lower low frequency cutoff
Supply voltage
bypass
SMALLER THAN
SUGGESTION
Smaller mute on/off time
Danger of oscillation
Higher low frequency cutoff
Higher low frequency cutoff
Worse SVR
Higher low frequency cutoff
Smaller mute on/off time
Higher low frequency cutoff
Danger of oscillation
TYPICAL CHARACTERISTICS:
Refer to the application circuit of fig.1A Tamb = 25°C; VS = 20V; RL = 8Ω; F = 1KHz; RS = 50Ω; unless
otherwise specified.
Figure 2: Output Power vs Supply Voltage
POUT
(W)
16
14
12
10
8
6
4
2
0
11
D97AU559
RL=8Ω
d=10%
d=1%
15 19 23 27 31 VS(V)
Figure 3: Distortion vs Output Power
d D97AU560
(%)
VS=28V
RL=8Ω
1
f=15KHz
f=1KHz
0.1
0.01
0 2 4 6 8 POUT(W)
5/11
5 Page 
TDA7495S
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 2000 STMicroelectronics – Printed in Italy – All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco -
Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A.
http://www.st.com
11/11
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TDA7495S.PDF ] | |
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