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參數資料
| 型號： | TPA3005D2PHPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封裝： | GREEN, PLASTIC, HTQFP-48 |
| 文件頁數： | 10/30頁 |
| 文件大?。?/td> | 643K |
| 代理商： | TPA3005D2PHPR |
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SLOS427A – MAY 2004 – REVISED AUGUST 2010
www.ti.com
Decoupling capacitors—The high-frequency 0.1-F decoupling capacitors should be placed as close to the
PVCC (pins 14, 15, 22, 23, 38, 39, 46, and 47) and AVCC (pin 33) terminals as possible. The V2P5 (pin 4)
capacitor, AVDD (pin 29) capacitor, and VCLAMP (pins 25, 36) capacitor should also be placed as close to the
device as possible. Large (10 F or greater) bulk power supply decoupling capacitors should be placed near
the TPA3005D2 on the PVCCL, PVCCR, and AVCC terminals.
Grounding—The AVCC (pin 33) decoupling capacitor, AVDD (pin 29) capacitor, V2P5 (pin 4) capacitor, COSC
(pin 28) capacitor, and ROSC (pin 27) resistor should each be grounded to analog ground (AGND, pin 26 and
pin 30). The PVCC decoupling capacitors should each be grounded to power ground (PGND, pins 18, 19, 42,
and 43). Analog ground and power ground may be connected at the PowerPAD, which should be used as a
central ground connection or star ground for the TPA3005D2. Basically, an island should be created with a
single connection to PGND at the PowerPAD.
Output filter—The ferrite EMI filter (Figure 19) should be placed as close to the output terminals as possible
for the best EMI performance. The LC filter (Figure 18) should be placed close to the outputs. The capacitors
used in both the ferrite and LC filters should be grounded to power ground. If both filters are used, the LC
filter should be placed first, following the outputs.
PowerPAD—The PowerPAD must be soldered to the PCB for proper thermal performance and optimal
reliability. The dimensions of the PowerPAD thermal land should be 5 mm by 5 mm (197 mils by 197 mils).
The PowerPAD size measures 4,55 x 4,55 mm. Four rows of solid vias (four vias per row, 0,3302 mm or 13
mils diameter) should be equally spaced underneath the thermal land. The vias should connect to a solid
copper plane, either on an internal layer or on the bottom layer of the PCB. The vias must be solid vias, not
thermal relief or webbed vias. For additional information, see the PowerPAD Thermally Enhanced Package
application note, (SLMA002).
For an example layout, see the TPA3005D2 Evaluation Module (TPA3005D2EVM) User Manual, (SLOU165).
Both the EVM user manual and the PowerPAD application note are available on the TI Web site at
http://www.ti.com.
18
Copyright 2004–2010, Texas Instruments Incorporated
Product Folder Link(s): TPA3005D2
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA3005D2PHPRG4 | 功能描述:音頻放大器 Stereo Med 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 |
| TPA3007D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:6.5-W MONO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3007D1_06 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:6.5-W MONO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3007D1EVM | 功能描述:音頻 IC 開發工具 TPA3007D1 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 |
| TPA3007D1PW | 功能描述:音頻放大器 Mono Med 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 |
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