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參數(shù)資料
| 型號(hào)： | TDA7416 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CARRADIO SIGNAL PROCESSOR |
| 中文描述： | CARRADIO信號(hào)處理器 |
| 文件頁數(shù)： | 9/27頁 |
| 文件大小： | 560K |
| 代理商： | TDA7416 |
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TDA7416
1.1.1 Pseudo-differential stereo Input (IN1)
The IN1-input is implemented as a buffered pseudo-differential stereo stage with 100k
input-impedance
at each input pin. This input is also configurable as single-ended stereo input . The common input-pin, IN1-
features a fast charge switch to speed up the charge time of external capacitors.- This switch is released
the first time the input-selector data-byte (0) is assessed.
1.1.2 Single-ended stereo Inputs
All single ended inputs have an input impedance of 100k
.
1.2 AutoZero
The AutoZero allows a reduction of the number of pins as well as external components by canceling any
offset generated by or before the In-Gain-stage (Please notice that externally generated offsets, e.g. gen-
erated through the leakage current of the coupling capacitors, are not canceled).
The auto-zeroing is started every time the DATA-BYTE 0 is selected and needs max.
0.3ms
for the align-
ment. To avoid audible clicks the Audioprocessor have to be muted by softmute or hard mute during this
time.
1.2.1 AutoZero-Remain
In some cases, for example if the μP 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 out-puts. For such applications the TDA7416 could be switched in the AutoZero-Remain-
Mode (Bit 6(I1) of the subad-dress-byte). If this bit is set to high, the DATABYTE 0 could be loaded without
invoking the AutoZero and the old adjustment-value remains.
1.3 Loudness
There are four parameters programmable in the loudness stage:
1.3.1 Attenuation
Figure 2 shows the attenuation as a function of frequency at f
P
= 400Hz
Figure 2. Loudness Attenuation @ f
P
= 400Hz.
dB
Hz
-25.0
-20.0
-15.0
-10.0
-5.0
0.0
10.0
100.0
1.0K
10.0K
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7417 | Car radio audio processor |
| TDA7417TR | Car radio audio processor |
| TDA7419 | 3 BAND CAR AUDIO PROCESSOR |
| TDA7419TR | 3 BAND CAR AUDIO PROCESSOR |
| TDA7420 | MULTIFUNCTIONAUDIO PROCESSOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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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