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參數資料

型號：	TPA3001D1PWPG4
廠商：	TEXAS INSTRUMENTS INC
元件分類：	音頻／視頻放大
英文描述：	20 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO24
封裝：	GREEN, PLASTIC, HTSSOP-24
文件頁數：	7/28頁
文件大小：	504K
代理商：	TPA3001D1PWPG4

0 V

–12 V

+12 V

Current

OUTP

Differential Voltage

Across Load

OUTN

TPA3001D1

www.ti.com

SLOS398E – DECEMBER 2002 – REVISED AUGUST 2010

Figure 31. Traditional Class-D Modulation Scheme's Output Voltage and Current Waveforms Into an

Inductive Load With No Input

TPA3001D1 MODULATION SCHEME

The TPA3001D1 uses a modulation scheme that still has each output switching from ground to VCC. However,

OUTP and OUTN are now in phase with each other with no input. The duty cycle of OUTP is greater than 50%

and OUTN is less than 50% for positive output voltages. The duty cycle of OUTP is less than 50% and OUTN is

greater than 50% for negative output voltages. The voltage across the load is 0 V throughout most of the

switching period, greatly reducing the switching current, which reduces any I2R losses in the load. (See

Product Folder Link(s): TPA3001D1

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相關代理商/技術參數	參數描述
TPA3001D1PWPR	功能描述:音頻放大器 Mono High Power Filter-Free Class-D RoHS:否制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3001D1PWPRG4	功能描述:音頻放大器 Mono High Power Filter-Free Class-D RoHS:否制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3002D2	制造商:TI 制造商全稱:Texas Instruments 功能描述:9-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
TPA3002D2_07	制造商:TI 制造商全稱:Texas Instruments 功能描述:9-W STEREO CLASS-D AUDIO POWER AMPLFIER WITH DC VOLUME CONTROL
TPA3002D2EVM	功能描述:音頻 IC 開發工具 TPA3002D2 Eval Mod RoHS:否制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V

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