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TDA2005S 데이터시트(Datasheet) 11 Page - STMicroelectronics

부품명 TDA2005S
상세내용  20W BRIDGE AMPLIFIER FOR CAR RADIO
PDF  20 Pages
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제조사  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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 11 page
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Comp.
Recom.
Value
Purpose
Larger Than
Smaller Than
R1
120 k
Optimization of the Output
Symmetry
Smaller Po max
Smaller Po max
R2
1k
R3
2k
R4,R5
12
Closed Loop Gain Setting (see
Bridge Amplifier Design) (*)
R6,R7
1
Frequency Stability
Danger of Oscillation at High
Frequency with Inductive Loads
C1
2.2
µF
Input DC Decoupling
C2
2.2
µF
Optimization of Turn on Pop and
Turn on Delay
High Turn on Delay
Higher Turn on Pop, Higher
Low Frequency Cut-off,
Increase of Noise
C3
0.1
µF
Supply by Pass
Danger of Oscillation
C4
10
µF
Ripple Rejection
Increase of SVR, Increase of
the Switch-on Time
Degradation of SVR.
C5,C7
100
µF
Bootstrapping
Increase of Distortion
at low Frequency
C6,C8
220
µF
Feedback Input DC Decoupling,
Low Frequency Cut-off
Higher Low Frequency
Cut-off
C9,C10
0.1
µF
Frequency Stability
Danger of Oscillation
(*) The closed loop gain must be higher than 32dB.
APPLICATION SUGGESTION
The recommended values of the components are those shown on Bridge applicatiion circuit of Figure 1.
Different values can be used ; the following table can help the designer.
TDA2005
11/20




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