TDA7495S 查看數據表（PDF） - STMicroelectronics
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TDA7495S Datasheet PDF : 10 Pages
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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.
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
1000µF 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
470µF
Ripple rejection
Better SVR
Worse SVR
C6
1000µF Output DC decoupling Lower low frequency cutoff Higher low frequency cutoff
C7
1µF
Mute time constant
Larger mute on/off time Smaller mute on/off time
C8
1000µF Output DC decoupling Lower low frequency cutoff Higher low frequency cutoff
C9
100nF
Supply voltage bypass
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 oth-
erwise specified.
Figure 3. Output Power vs Supply Voltage
Figure 4. Distortion vs Output Power
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)
d
(%)
D97AU560
VS=28V
RL=8Ω
1
f=15KHz
f=1KHz
0.1
0.01
0
2
4
6
8 POUT(W)
5/10
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