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參數(shù)資料
| 型號： | TDA7411 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44 |
| 文件頁數(shù)： | 43/43頁 |
| 文件大?。?/td> | 617K |
| 代理商： | TDA7411 |
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TDA7411
Input stages
In the basic configuration one full differential, one quasi-differential, two single ended stereo, one mono-
differential and two tuner (AM and MPX) inputs are available. In addition the ac coupling input Acin0 can
be used as single ended input for the input multiplexer.
The full-differential input can be switched into quasi-differential mode (see Fig. 2) and the MD single ended
input can be used as mono-differential input (see Fig.1).
Figure 2. Full differential input
AutoZero
In order to reduce the number of pins there is no AC coupling between the In-Gain and the following stage,
so that any offset generated by or before the In-Gain-stage would be transferred or even amplified to the
output. To avoid that effect a special Offset-cancellation-stage called AutoZero is implemented. This stage
is located after the In-Gain-stage to eliminate all offsets generated by the stereo decoder, the Input-Stages
and the In-Gain (Please notice that externally generated offsets, e.g. generated through the leakage cur-
rent of the coupling capacitors, are not canceled).
The auto-zeroing is started every time the DATA-BYTE 0 is selected and takes a time of max. 0.3ms. To
avoid audible clicks the audio processor is muted before the tone control stage during this time.
AutoZero-Remain
In some cases, for example if the P is executing a refresh cycle of the IIC-Bus-programming, it is not
useful to start a new AutoZero action because no new source is selected and an undesired mute would
appear at the outputs. For such applications the TDA7411 could be switched in the AutoZero-Remain-
Mode (Bit 6 of the sub address byte). If this bit is set to high, the DATABYTE 0 could be loaded without
invoking the AutoZero and the old adjustment-value remains.
Sub Channel Multiplexer
All input stages are available as source in the sub channel multiplexer. The selected source is buffered
and available at the pins SubR, SubL.
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PDF描述 |
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| TDA7412 | 1 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44 |
| TDA7415CB | SPECIALTY ANALOG CIRCUIT, PQFP64 |
| TDA7416 | 1 CHANNEL(S), EQUALIZER CIRCUIT, PQFP44 |
| TDA7417TR | 1 CHANNEL(S), EQUALIZER CIRCUIT, PQFP32 |
| TDA7417 | 1 CHANNEL(S), EQUALIZER CIRCUIT, PQFP32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7411TR | 功能描述:IC PROCESSOR CAR SIGNAL 44TQFP RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:- 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| TDA7412 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CARRADIO SIGNAL PROCESSOR |
| TDA7415 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| TDA7415CB | 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 6-chnl 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 |
| TDA7415CBTR | 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 6-chnl 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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