TDA2003 Ver la hoja de datos (PDF) - Unisonic Technologies
Número de pieza
componentes Descripción
Fabricante
TDA2003 Datasheet PDF : 10 Pages
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TDA2003
COMPONENTS USAGE SUGGESTION
LINEAR INTEGRATED CIRCUIT
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
SMALLER THAN
RECOMMENDED VALUE RECOMMENDED VALUE
R1
(Gv-1)×R2
gain setting.
increase of drain current
R2
2.2Ω
gain and SVR setting.
Decrease of SVR
Danger of oscillation at high
R3
1Ω
Frequency stability 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
Danger of oscillation at
C5
0.1μF
Frequency stability
high frequencies with
inductive loads.
Cx
1/(2×B×R1) Upper frequency cutoff
Lower bandwidth
Larger bandwidth
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
7 of 10
QW-R107-002.G
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