參數(shù)資料
型號： TDA7494
廠商： STMICROELECTRONICS
元件分類： 音頻控制
英文描述： 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, ZFM15
封裝： MULTIWATT-15
文件頁數(shù)： 8/12頁
文件大?。?/td> 183K
代理商： TDA7494
APPLICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of fig-
ure 1. Different values can be used; the following table can help the designer.
COMPONENT
SUGGESTION
VALUE
PURPOSE
LARGER THAN
SUGGESTION
SMALLER THAN
SUGGESTION
R5
10K
Mute time constant
Larger mute on/off time
Smaller mute on/off time
C1
1000
F
Supply voltage bypass
Danger of oscillation
C2
100nF
Supply voltage bypass
Danger of oscillation
C5
470nF
Input DC decoupling
Lower low frequency
cutoff
Higher low frequency
cutoff
C8
470
F
Ripple Rejection
Better SVR
Worse SVR
C9
1
F
Mute time constant
Larger mute on/off time
Smaller mute on/off time
C10
470
F
Output DC decoupling
Lower low frequency
cutoff
Higher low frequency
cutoff
TYPICAL CHARACTERISTICS: Refer to the Application Circuit of Fig.1 VS = 21V; RL = 8
; f = 1KHz;
RS = 8
; Tamb = 25°C; RS = 50; unless otherwise specified
5
10
15
20
25
30
Vs(V)
D96AU517
0
2
4
6
8
10
12
14
POUT
(W)
d=10%
d=1%
Figure 3: Output Power vs Supply Voltage
02
4
6
8 POUT(W)
0.01
0.1
1
d
(%)
VS=28V
RL=8
f=15KHz
f=1KHz
D96AU518
Figure 4: Distortion vs Output Power
TDA7494S
5/12
相關(guān)PDF資料
PDF描述
TDA7495 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PZFM15
TDA7496SA 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PZFM15
TDA7496SSA 5.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15
TDA7498MVTR 100 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO36
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7494S 功能描述:音頻放大器 Video switch chip 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
TDA7494SA 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5W+5W AMPLIFIER WITH DC VOLUME CONTROL
TDA7495 功能描述:音頻放大器 11W DC Amp w/Vol Cnt 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
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
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