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TDA7495S Datasheet(PDF) 5 Page - STMicroelectronics

Part # TDA7495S
Description  11W 11W AMPLIFIER
PDF  10 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7495S Datasheet(HTML) 5 Page - STMicroelectronics

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TDA7495S
APPLICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of figure 1.
Different values can be used, the following table can help the designer.
TYPICAL CHARACTERISTICS:
Refer to the application circuit of fig.1A Tamb = 25°C; VS = 20V; RL = 8Ω; f = 1KHz; RS = 50Ω; unless oth-
erwise specified.
COMPONENT
SUGGESTION
VALUE
PURPOSE
LARGER THAN
SUGGESTION
SMALLER THAN
SUGGESTION
R2
10K
Mute time constant
Larger mute on/off time
Smaller mute on/off time
C1
1000
µF
Supply voltage bypass
Danger of oscillation
C2
470nF
Input DC decoupling
Lower low frequency cutoff Higher low frequency cutoff
C3
470nF
Input DC decoupling
Lower low frequency cutoff Higher low frequency cutoff
C4
470
µF
Ripple rejection
Better SVR
Worse SVR
C6
1000
µF
Output DC decoupling
Lower low frequency cutoff Higher low frequency cutoff
C7
1
µF
Mute time constant
Larger mute on/off time
Smaller mute on/off time
C8
1000
µF
Output DC decoupling
Lower low frequency cutoff Higher low frequency cutoff
C9
100nF
Supply voltage bypass
Danger of oscillation
Figure 3. Output Power vs Supply Voltage
Figure 4. Distortion vs Output Power
11
15
19
23
27
31
VS(V)
0
2
4
6
8
10
12
14
POUT
(W)
16
d=10%
d=1%
RL=8Ω
D97AU559
02
4
6
8
POUT(W)
0.01
0.1
1
d
(%)
D97AU560
f=15KHz
VS=28V
RL=8Ω
f=1KHz



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