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參數(shù)資料
| 型號： | TPA6111A2DRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 9/26頁 |
| 文件大小： | 804K |
| 代理商： | TPA6111A2DRG4 |
www.ti.com
1
C
(BYP)
230 k
v
1
C
I RI
1
R
LC(C)
(8)
USING LOW-ESR CAPACITORS
5-V VERSUS 3.3-V OPERATION
TPA6111A2
SLOS313B – DECEMBER 2000 – REVISED JUNE 2004
The output coupling capacitor required in single-supply SE mode also places additional constraints on the
selection of other components in the amplifier circuit. With the rules described earlier still valid, add the following
relationship:
Low-ESR capacitors are recommended throughout this application. A real capacitor can be modeled simply as a
resistor in series with an ideal capacitor. The voltage drop across this resistor minimizes the beneficial effects of
the capacitor in the circuit. The lower the equivalent value of this resistance, the more the real capacitor behaves
like an ideal capacitor.
The TPA6111A2 was designed for operation over a supply range of 2.5 V to 5.5 V. This data sheet provides full
specifications for 5-V and 3.3-V operation, since these are considered to be the two most common standard
voltages. There are no special considerations for 3.3-V versus 5-V operation as far as supply bypassing, gain
setting, or stability. The most important consideration is that of output power. Each amplifier in the TPA6111A2
can produce a maximum voltage swing of VDD – 1 V. This means, for 3.3-V operation, clipping starts to occur
when VO(PP) = 2.3 V as opposed when VO(PP) = 4 V while operating at 5 V. The reduced voltage swing
subsequently reduces maximum output power into the load before distortion begins to become significant.
17
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相關代理商/技術參數(shù) |
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|---|---|
| TPA6111A2EVM | 功能描述:音頻 IC 開發(fā)工具 TPA6111A2 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
| TPA6112A2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:150-mW STEREO AUDIO POWER AMPLIFIER |
| TPA6112A2_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:150-mW STEREO AUDIO POWER AMPLIFIER |
| TPA6112A2DGQ | 功能描述:音頻放大器 Stereo Diff Input Stereo Headphone 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA6112A2DGQG4 | 功能描述:音頻放大器 Stereo Diff Input Stereo Headphone 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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