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参数资料
| 型号： | TDA1904 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 4.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP16 |
| 封装： | POWER, DIP-16 |
| 文件页数： | 6/10页 |
| 文件大小： | 239K |
| 代理商： | TDA1904 |
APPLICATION SUGGESTION
The recommended values of the external compo-
nents are those shown on the application circuit of
fig. 1.
When the supply voltage VS is less than 6V, a 68
resistor must be connected between pin 2 and pin
Components
Recomm.
value
Purpose
Larger than
recommended value
Smaller than
recommended value
Allowed range
Min.
Max.
R1
10 K
Feedback resistors
Increase of gain.
Decrease of gain.
Increase quiescent
current.
9R3
R2
100
Decrease of gain.
Increase of gain.
1 K
R3
4.7
Frequency stability
Danger of oscillation at
high frequencies with
inductive loads.
R4
68
Increase of the
output swing with
low supply voltage.
39
220
C1
2.2
F
Input DC
decoupling.
Higher cost lower
noise.
Higher low
frequency cutoff.
Higher noise.
C2
0.1
F
Supply voltage
bypass.
Danger of
oscillations.
C3
22
F
Ripple rejection
Increase of SVR
increase of the
switch-on time.
Degradation of SVR.
2.2
F 100F
C4
2.2
F
Inverting input DC
decoupling.
Increase of the
switch-on noise
Higher low
frequency cutoff.
0.1
F
C5
47
F
Bootstrap.
Increase of the
distortion at low
frequency.
10
F100F
C6
0.22
F
Frequency stability.
Danger of oscillation.
C7
1000
F
Output DC
decoupling
Higher low
frequency cutoff.
3 in order to obtain the maximum output power.
Different values can be used. The following table
can help the designer.
5/10
TDA1904
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA1905 | 功能描述:音频放大器 5W Audio 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 |
| TDA1905 | 制造商:STMicroelectronics 功能描述:IC AUDIO AMP + MUTE 5W |
| TDA1908 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8W AUDIO AMPLIFIER |
| TDA1910 | 功能描述:音频放大器 10W Audio 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 |
| TDA1910_03 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:10W AUDIO AMPLIFIER WITH MUTING |
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