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參數(shù)資料
| 型號(hào)： | TDA7375V |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 40 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封裝： | ROHS COMPLIANT, MULTIWATT V-15 |
| 文件頁(yè)數(shù)： | 14/15頁(yè) |
| 文件大?。?/td> | 252K |
| 代理商： | TDA7375V |
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TDA7375V
8/15
Figure 21. Total Power Dissipation and
Efficiency vs. Output Power
Figure 22. Total Power Dissipation and
Efficiency vs. Output Power
5
GENERAL STRUCTURE
5.1 High Application Flexibility
The availability of 4 independent channels makes it possible to accomplish several kinds of applications
ranging from 4 speakers stereo (F/R) to 2 speakers bridge solutions.
In case of working in single ended conditions the polarity of the speakers driven by the inverting amplifier
must be reversed respect to those driven by non inverting channels. This is to avoid phase inconveniences
causing sound alterations especially during the reproduction of low frequencies.
5.2 Easy Single Ended to Bridge Transition
The change from single ended to bridge configurations is made simply by means of a short circuit across
the inputs, that is no need of further external components.
5.3 Gain Internally Fixed to 20dB in Single Ended, 26dB in Bridge
Advantages of this design choice are in terms of:
■ componentsand space saving
■ output noise, supply voltage rejection and distortion optimization.
5.4 Silent Turn On/Off and Muting/Stand-by Function
The stand-by can be easily activated by means of a CMOS level applied to pin 7 through a RC filter.
Under stand-by condition the device is turned off completely (supply current = 1
μA typ.; output attenuation
= 80dB min.). Every ON/OFF operation is virtually pop free. Furthemore, at turn-on the device stays in
muting condition for a time determined by the value assigned to the SVR capacitor.
While in muting the device outputs becomes insensitive to any kinds of signal that may be present at the
input terminals. In other words every transient coming from previous stages produces no unplesantacous-
tic effect to the speakers.
5.5 STAND-BY DRIVING (pin 7)
Some precautions have to be taken in the definition of stand-by driving networks: pin 7 cannot be directly
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7376B | 功能描述:音頻放大器 2X35W Pwr 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 |
| TDA7376PD | 功能描述:音頻放大器 2 x 35W Pwr AMP 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 |
| TDA7376PD_09 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 35 W power amplifier for car radio |
| TDA7376PDTR | 功能描述:音頻放大器 2 x 35W Pwr AMP 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 |
| TDA7377 | 功能描述:音頻 DSP 2X35W Pwr Amplifier RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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