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參數(shù)資料
| 型號： | TDA7495S |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | VOLUME CONTROL CIRCUIT, PZFM15 |
| 封裝： | MULTIWATT-15 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 139K |
| 代理商： | TDA7495S |
Obsolete
Product(s)
- Obsolete
Product(s)
5/10
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 = 8; f = 1KHz; RS = 50; 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
F
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
F
Ripple rejection
Better SVR
Worse SVR
C6
1000
F
Output DC decoupling
Lower low frequency cutoff Higher low frequency cutoff
C7
1
F
Mute time constant
Larger mute on/off time
Smaller mute on/off time
C8
1000
F
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=8
D97AU559
02
4
6
8
POUT(W)
0.01
0.1
1
d
(%)
D97AU560
f=15KHz
VS=28V
RL=8
f=1KHz
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