TDA7261 데이터 시트보기 (PDF) - STMicroelectronics
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TDA7261 Datasheet PDF : 9 Pages
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TDA7261
APPLICATIONS SUGGESTION
(Demo Board Schematic)
The recommended values of the external compo-
nents are those shown on the demo board sche-
matic. Different values can be used: the following
table can help the designer.
COMPONENTS
RECOMMENDED
VALUE
PURPOSE
LARGER THAN
SMALLER THAN
RECOMMENDED VALUE RECOMMENDED VALUE
R1
10KΩ
Mute Circuit
Increase of Dz
Biasing Current
R2
15KΩ
Mute Circuit
Vpin # 4 Shifted Downward Vpin # 4 Shifted Upward
R3
18KΩ
Mute Circuit
Vpin # 4 Shifted Upward
Vpin # 4 Shifted Downward
R4
) R5
ct(s C1
rodu C2
P t(s) C3, C5
lete duc C4, C6
bso Pro C7
- O te Dz
) le Q1
15KΩ
4.7Ω
1µF
1µF
1000µF
0.1µF
0.1µF
5.1V
BC107
Mute Circuit
Vpin # 4 Shifted Upward
Frequency Stability Danger of Oscillations
Input DC
Decoupling
St-By/Mute Time
Constant
Larger On/Off Time
Supply Voltage
Bypass
Supply Voltage
Bypass
Frequency Stability
Mute Circuit
Mute Circuit
Vpin # 4 Shifted Downward
Danger of Oscillations
Higher Low Frequency
Cutoff
Smaller On/Of Time
Danger of Oscillations
Danger of Oscillations
bsolete PPrroodduucctt((ss) - Obso MUTE, STAND-BY TRUTH TABLE
O te SW1
le A
soA
Ob B
SW2
A
B
B
STAND-BY
STAND-BY
MUTE
B
A
PLAY
4/9
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