產品詳細資料

Audio input type Analog Input Architecture Class-D Speaker channels (max) Stereo Control interface Hardware Power stage supply (max) (V) 18 Power stage supply (min) (V) 8.5 THD + N at 1 kHz (%) 0.2 Load (min) (Ω) 4 Analog supply voltage (min) (V) 8.5 Analog supply voltage (max) (V) 18 Rating Catalog Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-D Speaker channels (max) Stereo Control interface Hardware Power stage supply (max) (V) 18 Power stage supply (min) (V) 8.5 THD + N at 1 kHz (%) 0.2 Load (min) (Ω) 4 Analog supply voltage (min) (V) 8.5 Analog supply voltage (max) (V) 18 Rating Catalog Operating temperature range (°C) -40 to 85
HTQFP (PHP) 48 81 mm² 9 x 9
  • 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.

  • 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.

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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新一代 15-W、立體聲道、類比輸入 D 類音訊放大器:  TPA3110D2

新一代低 EMI 10-W、立體聲、類比輸入 D 類音訊放大器:  TPA3136D2

技術文件

star =TI 所選的此產品重要文件
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類型 標題 日期
* Data sheet 12W Stereo Class-D Audio Power Amp w/DC Volume Control datasheet (Rev. E) 2010年 1月 10日
Application note Layout Guidelines For TPA300x Series Parts (Rev. A) 2020年 6月 24日
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 2019年 8月 26日
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) 2019年 6月 27日
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) 2013年 5月 1日
Application note RC Filter Box For Class-D Output Power and THD+N Measurement 2004年 2月 20日

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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。
Design guide: PDF
電路圖: PDF
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