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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 10/28頁(yè) |
| 文件大小： | 504K |
| 代理商： | TPA3001D1PWPG4 |
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1 nF
Ferrite
Chip Bead
OUTP
OUTN
Ferrite
Chip Bead
1 nF
4
or Greater
1
F
15
H
15
H
OUTP
OUTN
4
Ferrite
Chip Bead
Ferrite
Chip Bead
0.22 mF
1 nF
0.22 mF
1 nF
0.47
F
33
H
33
H
OUTP
OUTN
8
Ferrite
Chip Bead
Ferrite
Chip Bead
0.1 mF
1 nF
0.1 mF
1 nF
SLOS398E – DECEMBER 2002 – REVISED AUGUST 2010
www.ti.com
For example, consider an application in which the TPA3001D1 drives an 8-
speaker from an 18-V power
supply. The maximum output power with no distortion (less than 1% THD) is 16 W, which corresponds to a
maximum peak output voltage of 16 V. For the same output voltage level driven into clipping (10% THD), the
output power is increased to 20 W.
OUTPUT FILTER CONSIDERATIONS
A ferrite bead filter (shown in Figure 34) 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 35 and Figure 36.
Figure 34. Typical Ferrite Chip Bead Filter (Chip Bead Example: Fair-Rite 2512067007Y3)
Figure 35. Typical LC Output Filter for 4-
Speaker, Cutoff Frequency of 27 kHz
Figure 36. Typical LC Output Filter for 8-
Speaker, Cutoff Frequency of 27 kHz
18
Copyright 2002–2010, Texas Instruments Incorporated
Product Folder Link(s): TPA3001D1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(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 |
| TPA3001D1PWPRG4 | 功能描述:音頻放大器 Mono High 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 |
| 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(kāi)發(fā)工具 TPA3002D2 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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