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參數(shù)資料
| 型號： | TDA7402TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44 |
| 文件頁數(shù)： | 9/74頁 |
| 文件大?。?/td> | 1232K |
| 代理商： | TDA7402TR |
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TDA7402
Audioprocessor part
4
Audioprocessor part
4.1
Input stages
In the basic configuration two full differential, two mono differential, one single ended stereo
and one single ended mono input are available. In addition a dedicated input for the stereo
decoder MPX signal is present.
Figure 3.
Input-stages
4.1.1
Full-differential stereo Input 1 (FD1)
The FD1 input is implemented as a buffered full-differential stereo stage with 100k
Ω input
impedance at each input. The attenuation is programmable in 3 steps from 0 to -12dB in
order to adapt the incoming signal level. A 6dB attenuation is included in the differential
stage, the additional 6dB are done by a following resistive divider. This input is also
configurable as two single ended stereo inputs (see pin-out).
4.1.2
Full-differential stereo Input 2 (FD2)
The FD2 input has the same general structure as FD1, but with a programmable attenuation
of 0 or 6dB embedded in the differential stage.
100K
15K
1
100K
1
-
+
100K
28K
SE4R
100K
-
+
100K
15K
1
100K
1
-
+
100K
28K
100K
-
+
SE2
SE3
FD1-
FD1+
STEREO
FD2-
FD2+
STEREO
SE4
SE4R
SE1
STEREO
AM
MONO
MPX
MD1G
MD1
MONO
IN GAIN
MUTE
MIXING STAGE
SECOND SOURCE
SELECTOR
MIXING
SELECTOR
MAIN SOURCE
SELECTOR
SE3
BEEP
FM
MD1
MD2
FD1/SE2
FD2
MD1/SE4
MD2
SE1
AM
FM
SE3
FD1/SE2
FD2
MD1/SE4
MD2
SE1
AM
FM
MD2G
MD2
MONO
100K
NOISE BLANKER
+
STEREO DECODER
D00AU1142
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7403 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BASIC SIGNAL PROCESSOR |
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| TDA7403DTR | 功能描述:音頻 DSP Basic Signal Process 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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