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參數(shù)資料
| 型號： | TDA1910HS |
| 廠商： | 意法半導體 |
| 元件分類： | 運動控制電子 |
| 英文描述： | 10W AUDIO AMPLIFIER WITH MUTING |
| 中文描述： | 10W的音頻放大器，具有屏蔽 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 196K |
| 代理商： | TDA1910HS |
APPLICATION SUGGESTION
The recommended values of the components are those shown on application circuit of fig. 21. Different
values can be used.
The followingtable can help the designer.
Component
Raccom.
value
Purpose
Largerthan
recommended value
Smaller than
recommended value
Allowed range
Min.
Max.
R
g
+ R
1
10K
Input signal imped.
for muting operation
Increase of the atte-
nuation in muting-on
condition. Decrease
of the inputsensitivity.
Decrease of the
attenuation in muting
on condition.
R
2
3.3K
Close loop gain
setting.
Increase of gain.
Decrease of gain.
Increase quiescent
current.
9 R
3
R
3
100
Close loop gain
setting.
Decrease of gain.
Increase of gain.
R
2
/9
R
4
1
Frequency stability
Danger of oscillation
at high frequencies
with inductive loads.
P
1
20K
Volume
potentiometer.
Increase of the
switch-on noise.
Decrease of the input
impedance and of the
input level.
10K
100K
C
1
C
2
C
3
1
μ
F
1
μ
F
0.22
μ
F
Input DC decoupling.
Higher low frequency
cutoff.
C
4
2.2
μ
F
Inverting input DC
decoupling.
Increase of the
switch-on noise.
Higher low frequency
cutoff.
0.1
μ
F
C
5
0.1
μ
F
Supply voltage
bypass.
Danger of oscillations.
C
6
10
μ
F
Ripple rejection.
Increase of SVR.
Increase of the
switch-on time
Degradation of
SVR
2.2
μ
F
100
μ
F
C
7
47
μ
F
Bootstrap.
Increase of the distor-
tion at low frequency.
10
μ
F
100
μ
F
C
8
0.22
μ
F
Frequency stability.
Danger of oscillation.
C
9
2200
μ
F
(R
L
= 4
)
1000
μ
F
(R
L
= 8
)
Output DC
decoupling.
Higher low frequency
cutoff.
11/14
TDA1910
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