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音訊、觸覺和壓電
音訊放大器
通用型音訊放大器

TPA6047A4

現行

2W、立體聲道 AB 類揚聲器和耳機放大器，4.75V LDO 和啟用高電位作動

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產品規格表

TPA6047A4

現行
產品規格表 立即訂購

產品詳細資料

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Control interface Hardware Output power (W) 2 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 4.5 THD + N at 1 kHz (%) 0.06 Load (min) (Ω) 4 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Control interface Hardware Output power (W) 2 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 4.5 THD + N at 1 kHz (%) 0.06 Load (min) (Ω) 4 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RHB) 32 25 mm² (5 mm × 5 mm)
  • Microsoft Windows Vista Compliant
  • Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity
  • 2.1-W, 1% THD+N Into 4-Ω Speakers and 100-mW, 10% THD+N Into 16-Ω Headphones From 5-V Supply
  • DirectPath Headphone Amplifier Eliminates Output Capacitors(1)
  • Internal 4-Step Speaker Gain Control: 10, 12, 15.6, 21.6 dB and Fixed -1.5-V/V Headphone
  • 4.75-V Low Dropout Regulator for CODEC
  • Independent Shutdown Controls for Speaker, Headphone Amplifier, and Low Dropout Regulator (LDO)
  • Output Short-Circuit and Thermal Protection
  • APPLICATIONS
    • Notebook Computers
    • Portable DVD
  • Microsoft Windows Vista Compliant
  • Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity
  • 2.1-W, 1% THD+N Into 4-Ω Speakers and 100-mW, 10% THD+N Into 16-Ω Headphones From 5-V Supply
  • DirectPath Headphone Amplifier Eliminates Output Capacitors(1)
  • Internal 4-Step Speaker Gain Control: 10, 12, 15.6, 21.6 dB and Fixed -1.5-V/V Headphone
  • 4.75-V Low Dropout Regulator for CODEC
  • Independent Shutdown Controls for Speaker, Headphone Amplifier, and Low Dropout Regulator (LDO)
  • Output Short-Circuit and Thermal Protection
  • APPLICATIONS
    • Notebook Computers
    • Portable DVD

The TPA6047A4 is a stereo audio power amplifier and DirectPath headphone amplifier in a thermally enhanced, space-saving, 32-pin QFN package. The speaker amplifier is capable of driving 2.1 W per channel continuously into 4-Ω loads at 5 V. The headphone amplifier achieves a minimum of 100 mW at 10% THD+N from a 5-V supply. A built-in internal 4-step gain control for the speaker amplifier and a fixed -1.5 V/V gain for the headphone amplifier minimizes external components needed.

Independent shutdown control and dedicated inputs for the speaker and headphone allow the TPA6047A4 to simultaneously drive both headphones and internal speakers. Differential inputs to the speaker amplifiers offer superior power-supply and common-mode noise rejection.

The TPA6047A4 is a stereo audio power amplifier and DirectPath headphone amplifier in a thermally enhanced, space-saving, 32-pin QFN package. The speaker amplifier is capable of driving 2.1 W per channel continuously into 4-Ω loads at 5 V. The headphone amplifier achieves a minimum of 100 mW at 10% THD+N from a 5-V supply. A built-in internal 4-step gain control for the speaker amplifier and a fixed -1.5 V/V gain for the headphone amplifier minimizes external components needed.

Independent shutdown control and dedicated inputs for the speaker and headphone allow the TPA6047A4 to simultaneously drive both headphones and internal speakers. Differential inputs to the speaker amplifiers offer superior power-supply and common-mode noise rejection.

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TPA6017A2 現行 1.9-W 立體聲道、類比輸入 AB 類音訊放大器 This product is a similar audio amplifier but without headphone amplifier
TPA6132A2 現行 採用 WQFN 的 25-mW、立體聲道、類比輸入耳機放大器 This product is a lower power (25-mW) headphone amplifier without integrated speaker 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 2-W Stereo Audio Power Amplifier w/DirectPath Stereo Headphone Drive & Regulator datasheet 2008/10/6
EVM User's guide TPA6047A4EVM User's Guide 2008/11/6

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VQFN (RHB) 32 Ultra Librarian
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