TPA3004D2
- 12-W/Ch Into an 8-
Load From 15-V Supply - Efficient, Class-D Operation Eliminates Heatsinks and Reduces Power Supply Requirements
- 32-Step DC Volume Control From –40 dB to 36 dB
- Line Outputs For External Headphone Amplifier With Volume Control
- Regulated 5-V Supply Output for Powering TPA6110A2
- Space-Saving, Thermally-Enhanced PowerPAD™ Packaging
- Thermal and Short-Circuit Protection
- APPLICATIONS
- LCD Monitors and TVs
- Powered Speakers >
PowerPAD is a trademark of Texas Instruments.
The TPA3004D2 is a 12-W (per channel) efficient, Class-D audio amplifier for driving bridged-tied stereo speakers. The TPA3004D2 can drive stereo speakers as low as 4 . The high efficiency of the TPA3004D2 eliminates the need for external heatsinks when playing music.
Stereo speaker volume is controlled with a dc voltage applied to the volume control terminal offering a range of gain from –40 dB to 36 dB. Line outputs, for driving external headphone amplifier inputs, are also dc voltage controlled with a range of gain from –56 dB to 20 dB.
An integrated 5-V regulated supply is provided for powering an external headphone amplifier.
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| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | 12W Stereo Class-D Audio Power Amp w/DC Volume Control datasheet (Rev. E) | 2010/1/10 | |||
| 應用說明 | Layout Guidelines For TPA300x Series Parts (Rev. A) | 2020/6/24 | ||||
| 應用說明 | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019/8/26 | ||||
| 應用說明 | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019/6/27 | ||||
| 應用說明 | AN-1737 Managing EMI in Class D Audio Applications (Rev. A) | 2013/5/1 | ||||
| 應用說明 | RC Filter Box For Class-D Output Power and THD+N Measurement | 2004/2/20 |
設計與開發
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參考設計
TIDA-01182 — 具有自動音訊控制 1S1P BMS 的可攜式音訊放大器參考設計
高性能 10W（每個喇叭 5W）可攜式音訊放大器，整合完整的電池管理解決方案 (BMS)，包含充電器、電量計及 1S1P 18650 2400mAh 鋰電池保護功能，專為 D 類音訊放大器設計。透過高效電源調節器、D 類放大器與完善的電池管理系統，可顯著延長設備運作時間。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HTQFP (PHP) | 48 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。