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TDA1910HS 데이터시트(Datasheet) 11 Page - STMicroelectronics

부품명 TDA1910HS
상세내용  10W AUDIO AMPLIFIER WITH MUTING
PDF  14 Pages
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제조사  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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 11 page
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APPLICATION SUGGESTION
The recommended values of the components are those shown on application circuit of fig. 21. Different
values can be used.
The following table can help the designer.
Component
Raccom.
value
Purpose
Larger than
recommended value
Smaller than
recommended value
Allowed range
Min.
Max.
Rg +R1
10K
Input signal imped.
for muting operation
Increase of the atte-
nuation in muting-on
condition. Decrease
of the input sensitivity.
Decrease of the
attenuation in muting
on condition.
R2
3.3K
Close loop gain
setting.
Increase of gain.
Decrease of gain.
Increase quiescent
current.
9R3
R3
100
Close loop gain
setting.
Decrease of gain.
Increase of gain.
R2/9
R4
1
Frequency stability
Danger of oscillation
at high frequencies
with inductive loads.
P1
20K
Volume
potentiometer.
Increase of the
switch-on noise.
Decrease of the input
impedance and of the
input level.
10K
100K
C1
C2
C3
1
µF
1
µF
0.22
µF
Input DC decoupling.
Higher low frequency
cutoff.
C4
2.2
µF
Inverting input DC
decoupling.
Increase of the
switch-on noise.
Higher low frequency
cutoff.
0.1
µF
C5
0.1
µF
Supply voltage
bypass.
Danger of oscillations.
C6
10
µF
Ripple rejection.
Increase of SVR.
Increase of the
switch-on time
Degradation of
SVR
2.2
µF
100
µF
C7
47
µF
Bootstrap.
Increase of the distor-
tion at low frequency.
10
µF
100
µF
C8
0.22
µF
Frequency stability.
Danger of oscillation.
C9
2200
µF
(RL =4
Ω)
1000
µF
(RL =8
Ω)
Output DC
decoupling.
Higher low frequency
cutoff.
11/14
TDA1910




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