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| 型號(hào)： | TDA7406T |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 MM, TQFP-44 |
| 文件頁(yè)數(shù)： | 24/49頁(yè) |
| 文件大?。?/td> | 830K |
| 代理商： | TDA7406T |
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TDA7406T
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4.8 Stereoblend Control
The stereoblend control block converts the internal LEVEL-voltage (LEVELSB) into an demodulator compatible
analog signal which is used to control the channel separation between 0dB and the maximum separation. Inter-
nally this control range has a fixed upper limit which is the internal reference voltage REF5V. The lower limit can
be programmed between 20 and 70% of REF5V in 3.3% steps (see figs.24, 25).
To adjust the external LEVEL-voltage to the internal range two values must be defined: the LEVEL gain LG and
VSBL (see fig. 25). At the point of full channel separation the external level signal has to be amplified so that
internally it becomes equal to REF5V. The second point (e.g. 10dB channel sep.) is then adjusted with the VSBL
voltage.
Figure 24. Internal stereoblend characteristics
The gain can be programmed through 4 bits in the “Stereodecoder-Adjustment”-byte. All necessary internal ref-
erence voltages like REF5V are derived from a bandgap circuit. Therefore they have a temperature coefficient
near zero.
Figure 25. Relation between internal and external LEVEL-voltages for setup of Stereoblend
70
20
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相關(guān)代理商/技術(shù)參數(shù) |
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| TDA7406TR | 功能描述:音頻 DSP INFOTAINMENT SIGNAL 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 |
| TDA7407 | 功能描述:音頻 DSP Advanced car signal processor 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 |
| TDA7407_07 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Advanced car signal processor |
| TDA7407D | 功能描述:音頻 DSP INFOTAINMENT SIGNAL 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 |
| TDA7407DTR | 功能描述:IC PROCESSOR ADV SIGNAL 44-LQFP RoHS:是 類(lèi)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(lèi)型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱(chēng):497-11050-6 |
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