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參數資料
型號: TPA3003D2PFBG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP48
封裝: GREEN, PLASTIC, TQFP-48
文件頁數: 20/36頁
文件大小: 755K
代理商: TPA3003D2PFBG4
TPA3003D2
SLOS406A FEBRUARY 2003 REVISED MARCH 2003
27
www.ti.com
APPLICATION INFORMATION
Analyzer
20 Hz 20 kHz
(a) Basic ClassAB
APA
Signal
Generator
Power Supply
Analyzer
20 Hz 20 kHz
R
L
(b) FilterFree and Traditional ClassD
ClassD APA
Signal
Generator
Power Supply
R
L
LowPass RC
Filter
LowPass RC
Filter
Figure 29.
Audio Measurement Systems
The TPA3003D2 uses a modulation scheme that does not require an output filter for operation, but they do
sometimes require an RC low-pass filter when making measurements. This is because some analyzer inputs
cannot accurately process the rapidly changing square-wave output and therefore record an extremely high
level of distortion. The RC low-pass measurement filter is used to remove the modulated waveforms so the
analyzer can measure the output sine wave.
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相關代理商/技術參數
參數描述
TPA3003D2PFBR 功能描述:音頻放大器 Ster Lo-Pwr Wide Sply Vltg 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
TPA3003D2PFBRG4 功能描述:音頻放大器 Ster Lo-Pwr Wide Sply Vltg 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
TPA3004 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
TPA3004D2 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
TPA3004D2_07 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
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