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TDA2003_15 데이터시트(Datasheet) 7 Page - Unisonic Technologies

부품명 TDA2003_15
상세내용  10W CAR RADIO AUDIO AMPLIFIER
PDF  19 Pages
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제조사  UTC [Unisonic Technologies]
홈페이지  http://www.utc-ic.com
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TDA2003
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
7 of 10
www.unisonic.com.tw
QW-R107-002.G
COMPONENTS USAGE SUGGESTION
The recommended values of the components are those shown on typical application circuit Different values can
be used. The following table can help the designer.
COMPONENT
RECOMMENDED
VALUE
PURPOSE
LARGE THAN
RECOMMENDED VALUE
SMALLER THAN
RECOMMENDED VALUE
R1
(Gv-1)×R2
gain setting.
increase of drain current
R2
2.2Ω
gain and SVR setting.
Decrease of SVR
R3
1Ω
Frequency stability
Danger of oscillation at high
frequencies with inductive
loads.
Rx
20R2
Upper frequency cutoff
Poor high frequencies
attenuation
Danger of oscillation
C1
2.2μF
Input DC decoupling
Noise at switch-on
switch-off
C2
470μF
Ripple rejection
Decrease of SVR
C3
0.1μF
Supply voltage bypass
Danger of oscillation
C4
1000μF
Supply voltage bypass
Higher low frequency
cutoff
C5
0.1μF
Frequency stability
Danger of oscillation at
high frequencies with
inductive loads.
Cx
1/(2×B×R1)
Upper frequency cutoff
Lower bandwidth
Larger bandwidth




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