TDA7240 데이터 시트보기 (PDF) - STMicroelectronics
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TDA7240 Datasheet PDF : 8 Pages
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TDA7240A
APPLICATION SUGGESTION
The recommendedvalues of the componentsare thoseshown on applicationcircuit of Fig. 1. Different values
can be used, the following table can help the designer.
Component
R1, R2
C1
C2
C3
C6, C7
C4
C5
Recommended
Value
2.2Ω
1µF
22µF
22µF
0.22µF
220µF
0.1µF
Purpose
Larger Than
Smaller Than
Frequency Stability
Input DC Decoupling
Ripple Rejection
Feedback low
Frequency Cutoff
Frequency Stability
Supply Filter
Supply Bypass
Danger of High
Frequency Oscillation
Higher Turn On and
Stand-by Delay
Increase of SVR
Increase of the Turn
On Delay
Higher Turn On Pop.
Higher Low
Frequency Cutoff
Degradation of SVR
Higher Low Frequency
Cutoff
Danger of Oscillation
Danger of Oscillation
Danger of Oscillation
Figure 3 : Output Power vs. Supply Voltage.
Figure 4 : Distortion vs. Output Power.
Figure 5 : Output Power vs. Supply voltage.
Figure 6 : Distortion vs. Output Power.
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