參數(shù)資料
型號: TDA7264A
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11
封裝: MULTIWATT-11
文件頁數(shù): 9/12頁
文件大小: 189K
代理商: TDA7264A
COMPONENTS
RECOMMENDED
VALUE
PURPOSE
LARGER THAN
RECOMMENDED VALUE
SMALLER THAN
RECOMMENDED VALUE
R1
10K
Mute Circuit
Increase of Dz
Biasing Current
R2
15K
Mute Circuit
Vpin # 4 Shifted Downward
Vpin # 4 Shifted Upward
R3
18K
Mute Circuit
Vpin # 4 Shifted Upward
Vpin # 4 Shifted Downward
R4
15K
Mute Circuit
Vpin # 4 Shifted Upward
Vpin # 4 Shifted Downward
R5, R6
4.7
Frequency Stability
Danger of Oscillations
C1, C2
1
F
Input DC
Decoupling
Higher Low Frequency
Cutoff
C3
1
F
St-By/Mute Time
Constant
Larger On/Off Time
Smaller On/Off Time
C4, C6
1000
F
Supply Voltage
Bypass
Danger of Oscillations
C5, C7
0.1
F
Supply Voltage
Bypass
Danger of Oscillations
C8, C9
0.1
F
Frequency Stability
Dz
5.1V
Mute Circuit
Q1
BC107
Mute Circuit
APPLICATIONS SUGGESTION for TDA7264
(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.
MUTE, STAND-BY TRUTH TABLE
SW1
SW2
A
STAND-BY
A
B
STAND-BY
B
MUTE
B
A
PLAY
COMPONENTS
RECOMMENDED
VALUE
PURPOSE
LARGER THAN
RECOMMENDED VALUE
SMALLER THAN
RECOMMENDED VALUE
R1
10K
Mute Circuit
Increase of Dz
Biasing Current
R2
15K
Mute Circuit
Vpin # 5 Shifted Downward
Vpin # 5 Shifted Upward
R3
18K
Mute Circuit
Vpin # 5 Shifted Upward
Vpin # 5 Shifted Downward
R4
15K
Mute Circuit
Vpin # 5 Shifted Upward
Vpin # 5 Shifted Downward
R7, R10
4.7
Frequency Stability
Danger of Oscillations
C1, C2
1
F
Input DC
Decoupling
Higher Low Frequency
Cutoff
C3
1
F
St-By/Mute Time
Constant
Larger On/Off Time
Smaller On/Off Time
C4, C6
1000
F
Supply Voltage
Bypass
Danger of Oscillations
C5, C7
0.1
F
Supply Voltage
Bypass
Danger of Oscillations
C8, C9
0.1
F
Frequency Stability
Dz
5.1V
Mute Circuit
Q1
BC107
Mute Circuit
APPLICATIONS SUGGESTION for TDA7264A
(Demo Board Schematic)
The recommended values of the external compo-
nents are those shown are the demo board sche-
matic different values can be used: the following
table can help the designer.
TDA7264 - TDA7264A
6/12
相關PDF資料
PDF描述
TDA7264 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM8
TDA7265SA 18 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11
TDA7265 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11
TDA7266D 5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20
TDA7266P 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
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