參數(shù)資料
型號(hào)： TDA7375AV
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 43 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15
封裝： MULTIWATT V-15
文件頁(yè)數(shù)： 5/20頁(yè)
文件大?。?/td> 375K
代理商： TDA7375AV
TDA7375AV
Functional description
4
Functional description
4.1
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.
4.2
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.
4.3
Gain internally fixed to 20dB in single ended, 26dB in bridge
Advantages of this design choice are in terms of:
●
components and space saving
●
output noise, supply voltage rejection and distortion optimization
4.4
Silent turn on/off and muting/standby function
The standby 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. Furthermore,
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 unpleasant acoustic effect to the speakers.
4.5
Output stage
The fully complementary output stage was made possible by the development of a new
component: the ST exclusive power ICV PNP.
A novel design based upon the connection shown in Figure 22 has then allowed the full
exploitation of its possibilities. The clear advantages this new approach has over classical
output stages are as follows:
相關(guān)PDF資料
PDF描述
TDA7375H 12 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM15
TDA7375V 40 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM15
TDA7376PDTR 37 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
TDA7376PD 37 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
TDA7381 18 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7375AV_12 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 37 W dual/quad power amplifier for car radio
TDA7375H 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 35W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO
TDA7375V 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
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
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