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參數(shù)資料
| 型號： | TDA7495 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PZFM15 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大小： | 202K |
| 代理商： | TDA7495 |
Obsolete
Product(s)
- Obsolete
Product(s)
5/12
TDA7495
APPLICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of figure
1a. Different values can be used, the following table can help the designer.
TYPICAL CHARACTERISTICS:
Refer to the application circuit of fig.1A Tamb = 25°C; VS = 20V; RL = 8; F = 1KHz; RS = 50; unless
otherwise specified.
COMPONENT
SUGGESTION
VALUE
PURPOSE
LARGER THAN
SUGGESTION
SMALLER THAN
SUGGESTION
R1
300K
Volume control
circuit
Larger volume regulation time
Smaller volume regulation time
R2
10K
Mute time constant
Larger mute on/off time
Smaller mute on/off time
P1
50K
Volume control
circuit
C1
1000
F
Supply voltage
bypass
Danger of oscillation
C2
470nF
Input DC decoupling Lower low frequency
cutoff
Higher low frequency cutoff
C3
470nF
Input DC decoupling Lower low frequency
cutoff
Higher low frequency cutoff
C4
470
F
Ripple rejection
Better SVR
Worse SVR
C5
100nF
Volume control time
costant
Larger volume regulation
time
Smaller volume regulation time
C6
1000
F
Output DC
decoupling
Lower low frequency
cutoff
Higher low frequency cutoff
C7
1
F
Mute time costant
Larger mute on/off time
Smaller mute on/off time
C8
1000
F
Output DC
decoupling
Lower low frequency
cutoff
Higher low frequency cutoff
C9
100nF
Supply voltage
bypass
Danger of oscillation
Figure 2. Output Power vs Supply Voltage
Figure 3. Distortion vs Output Power
11
15
19
23
27
31
VS(V)
0
2
4
6
8
10
12
14
POUT
(W)
16
d=10%
d=1%
RL=8
D97AU559
02
4
6
8
POUT(W)
0.01
0.1
1
d
(%)
D97AU560
f=15KHz
VS=28V
RL=8
f=1KHz
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7495S | 功能描述:音頻放大器 11W/11W 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7495S_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:11W +11W AMPLIFIER |
| TDA7495SA | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:11 W + 11 W amplifier with DC volume control |
| TDA7495SA_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:11 W + 11 W amplifier with DC volume control |
| TDA7496 | 功能描述:音頻放大器 5W DC Amp w/Col Cont 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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