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参数资料
| 型号： | TDA7269 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| 封装： | MULTIWATT-11 |
| 文件页数： | 5/7页 |
| 文件大小： | 64K |
| 代理商： | TDA7269 |
Obsolete
Product(s)
- Obsolete
Product(s)
APPLICATIONS SUGGESTION
(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.
R3
IN (L)
C1
R2
C3
MUTE/
ST-BY
GND
IN (R)
C2
R7
R10
C8
C9
OUT (L)
OUT (R)
C6
C4
+VS
3
5
7
9
6
11
2
4
+
-
D94AU087
RL (L)
RL (R)
+VS
-VS
R9
R5
IN- (L)
8
10
IN- (R)
1
SW1
R1
DZ
R4
SW2
C7
R8
R6
C5
Figure 3: Test and Application Circuit (Stereo Configuration)
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
R5, R8
18K
Closed Loop Gain
Setting (*)
Increase of Gain
R6, R9
560
Decrease of Gain
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
(*) Closed loop gain has to be => 25dB
TDA7269
5/7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7269A | 功能描述:音频放大器 14W Stereo Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA7269A_03 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:14W+14W STEREO AMPLIFIER WITH MUTE & ST-BY |
| TDA7269ASA | 制造商:STMicroelectronics 功能描述:14 + 14W STEREO AMP |
| TDA7269SA | 制造商:STMicroelectronics 功能描述:10 + 10W STEREO AMP |
| TDA7272A | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HIGH PERFORMANCE MOTOR SPEED REGULATOR |
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