參數(shù)資料
型號: TAS5518PAG
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數(shù): 39/105頁
文件大?。?/td> 1514K
代理商: TAS5518PAG
Introduction
31
SLES115 — August 2004
TAS5518
Power Supply Volume Control
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80
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Desired Gain dB
Digital
&
Power
Supply
Gain
dB
Digital Gain
Power Supply Gain
Figure 123. Power Supply and Digital Gains (Log Space)
Power Supply Volume Control
0.0001
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0.00001
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Desired Gain (Linear)
Digital
&
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Supply
Gain
Digital Gain
Power Supply Gain
Figure 124. Power Supply and Digital Gains (Linear Space)
1.13.4
AM Interference Avoidance
Digital amplifiers can degrade AM reception as a result of their RF emissions. Texas Instruments patented AM
interference avoidance circuit provides a flexible system solution for a wide variety of digital audio
architectures. During AM reception, the TAS5518 adjusts the radiated emissions to provide an emission clear
zone for the tuned AM frequency. The inputs to the TAS5518 for this operation are the tuned AM frequency,
the IF frequency, and the sample rate. The sample rate is automatically detected.
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