參數(shù)資料
型號(hào)： TPA3007D1PWG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 6.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO24
封裝： GREEN, PLASTIC, TSSOP-24
文件頁(yè)數(shù)： 4/22頁(yè)
文件大?。?/td> 451K
代理商： TPA3007D1PWG4
www.ti.com
0 V
–12 V
+12 V
Current
OUTP
OUTN
Differential
Voltage
Across
Load
0 V
–12 V
+12 V
Current
OUTP
OUTN
Differential
Voltage
Across
Load
Output = 0 V
Output > 0 V
DRIVING THE OUTPUT INTO CLIPPING
P
O(10% THD) + PO(1% THD)
1.25
(1)
OUTPUT FILTER CONSIDERATIONS
SLOS418D – SEPTEMBER 2003 – REVISED MARCH 2008
Figure 15. The TPA3007D1 Output Voltage and Current Waveforms Into an Inductive Load
The output of the TPA3007D1 may be driven into clipping to attain a higher output power than is possible with no
distortion. Clipping is typically quantified by a THD measurement of 10%. The amount of additional power into
the load may be calculated with Equation 1.
A ferrite bead filter (shown in Figure 16) should be used in order to pass FCC and/or CE radiated emissions
specifications and if a frequency sensitive circuit operating higher than 1 MHz is nearby. The ferrite filter reduces
EMI around 1 MHz and higher (FCC and CE only test radiated emissions greater than 30 MHz). When selecting
a ferrite bead, choose one with high impedance at high frequencies, but very low impedance at low frequencies.
Use an additional LC output filter if there are low frequency (<1 MHz) EMI sensitive circuits and/or there are long
wires (greater than 11 inches) from the amplifier to the speaker, as shown in Figure 17.
12
Copyright 2003–2008, Texas Instruments Incorporated
Product Folder Link(s): TPA3007D1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA3007D1PWR 功能描述:音頻放大器 Mono Med Power Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3007D1PWRG4 功能描述:音頻放大器 Mono Med Power Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3008D2 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3008D2_07 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3008D2EVM 功能描述:音頻 IC 開發(fā)工具 TPA3008D2 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
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