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參數(shù)資料
| 型號(hào)： | TDA7416 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 1 CHANNEL(S), EQUALIZER CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 MM HEIGHT, TQFP-44 |
| 文件頁數(shù)： | 8/27頁 |
| 文件大?。?/td> | 564K |
| 代理商： | TDA7416 |
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TDA7416
16/27
1.9 AC-coupling
In some applications additional signal manipulations are desired. For this purpose an AC-coupling is
placed before the speaker(fader)-attenuators, which can be activated or internally shorted by I2C-Bus. In
short condition the input-signal of the speaker-attenuator is available at the AC-outputs. The input-imped-
ance of this AC-inputs is 50k . In addition there are Mix inputs available. With this inputs it is possible to
mix an external signal to every speaker with a mixing ratio of 50% (see figure 14).
The source of front and rear speaker can be set independently.
As source is choosable :
- internal dc coupling (not recommended)
- external ac coupling using ACin pins
Figure 15. AC/DC-coupling
1.10 Front Speaker-Attenuator and Mixing
A Mixing-stage is placed after front speaker-attenuator and can be set independently to mixing-mode.
Having a full volume for the Mix-signal the stage offers a wide flexibility to adapt the mixing levels.
Figure 16. Output Selector
1.11 Audioprocessor Testing
During the Testmode, which can be activated by setting bit I2 of the subaddress byte and D0 of the audio-
processor testing byte, several internal signals are available at the Mix pin. During this mode the input
resistance of 100kOhm is disconnected from the pin. The internal signals available are shown in the Data-
byte specification.
Vref
1
left channel
right channel
SWin
ACinL
ACoutL
SWout
Front Fader
RearFader
Subwoofer Fader
Rear selector
Highpass
Lowpass
fr
flat
fr
flat
1
Front
From M I Xin
OutF
Volume
+15/-79dB
1dB step
Volume
+15/-79dB
1dB step
Highpass2
25k
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| TDA7416_11 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Car radio signal processor |
| TDA7417 | 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 9.5V 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 |
| TDA7417TR | 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 9.5V 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 |
| TDA7418 | 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 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 |
| TDA7418TR | 功能描述:音頻放大器 3 Band Car Audio Processor 8-10V 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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