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參數(shù)資料
| 型號： | TDA1905 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 5.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP16 |
| 封裝： | POWER, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 339K |
| 代理商： | TDA1905 |
APPLICATION SUGGESTION
The recommended values of the external components are those shown on the application circuit of fig. 21.
When the supply voltage Vs is less than 10V, a 100
resistor must be connected between pin 2 and pin 3
in order to obtain the maximum output power.
Different values can be used. The following table can help the designer.
Component
Raccom.
value
Purpose
Larger than
recommended value
Smaller than
recommended value
Allowed range
Min.
Max.
Rg + R1
10K
Input signal imped. for
muting operation
Increase of the
attenuation in muting-on
condition. Decrease of
the input sensitivity.
Decrease of the attenu-
ation in muting on
condition.
R2
10K
Feedback resistors
Increase of gain.
Decrease of gain.
Increase quiescent
current.
9 R3
R3
100
Decrease of gain.
Increase of gain.
1K
R4
1K
Frequency stability
Danger of oscillation at
high frequencies with
inductive loads.
R5
100
Increase of the output
swing with low supply
voltage.
47
330
P1
20K
Volume potentiometer
Increase of the
switch-on noise.
Decrease of the input
impedance and of the
input level.
10K
100K
C1
C2
C3
0.22
F
Input DC
decoupling.
Higher cost
lower noise.
Higher low
frequency cutoff.
Higher noise.
C4
2.2
F
Inverting input DC
decoupling.
Increase of the switch-
on noise.
Higher low frequency
cutoff.
0.1
F
C5
0.1
F
Supply voltage
bypass.
Danger of
oscillations.
C6
10
F
Ripple rejection
Increase of SVR
increase of the
switch-on time
Degradation of SVR
2.2
F 100F
C7
47
F
Bootstrap.
Increase of the
distortion at low
frequency.
10
F 100F
C8
0.22
F
Frequency stability.
Danger of oscillation.
C9
1000
F Output DC decoupling.
Higher low frequency
cutoff.
11/14
TDA1905
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA1905 | 制造商:STMicroelectronics 功能描述:IC AUDIO AMP + MUTE 5W |
| TDA1908 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8W AUDIO AMPLIFIER |
| TDA1910 | 功能描述:音頻放大器 10W Audio Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA1910_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:10W AUDIO AMPLIFIER WITH MUTING |
| TDA1910HS | 功能描述:音頻放大器 10W AUDIO AMPLIFIER RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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