參數(shù)資料
型號(hào): TAS5518CPAGR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁(yè)數(shù): 39/103頁(yè)
文件大?。?/td> 2007K
代理商: TAS5518CPAGR
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Desired Gain dB
Power-Supply
and
Digital
Gains
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Digital Gain
Power-Supply Gain
G002
G003
Desired Gain Linear
Power-Supply
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Power-Supply Gain
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2.12.4 AM Interference Avoidance
TAS5518C
8-Channel Digital Audio PWM Processor
SLES238A – SEPTEMBER 2008 – REVISED JULY 2009
www.ti.com
Figure 2-20. Power-Supply and Digital Gains (Linear Space)
Figure 2-21. Power-Supply and Digital Gains (Log Space)
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 TAS5518C adjusts the radiated emissions to provide an
emission-clear zone for the tuned AM frequency. The inputs to the TAS5518C for this operation are the
tuned AM frequency, the IF frequency, and the sample rate. The sample rate is automatically detected.
Description
40
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