音频功率放大器,立体声耳机,135 mW

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NCP2809 是一款经济高效的立体声音频功率放大器,能够向 16Ω 负载提供每沟道 135mW 的连续平均功率。NCP2809 音频功率放大器专门设计用于通过低电源电压提供高质量的输出功率,且仅需要很少的外部元件。由于 NCP2809 不需要自举电容器或缓冲网络,因此非常适合于低功耗便携式系统。NCP2809A 的内部增益为 0 dB,而特定的外部增益可通过 NCP2809B 设置。如果应用允许,则该器件提供的虚拟接地点可连接到耳机的中点。在此种情况下,可以移除通常使用的两个外部重型耦合电容器。否则,您也可以使用外部耦合电容器在单端模式下同时执行两个输出。由于其出色的 PSRR,它可以直接连接到电池,从而节省了 LDO 的使用。

  • Stereo Headphones
  • Stereo Headphones with Microphone for mobile phone use
  • Cellular phone
  • MP3 Player
  • Blutooth / Wireless Stereo Headphones
  • Bluetooth / Wireless Stereo Headset (with mic) for mobile phone use
  • 135mW to a 16 load from a 5.0V power supply
  • Excellent PSRR (85dB Typical)
  • Pop & Click noise protection circuit
  • Ultra Low Current Shutdown Mode
  • 2.2V - 5.5V Operation
  • Superior THD+N: Less than 0.01%
  • External Turn-on and Turn-off configuration capability
  • Ultra Thin MicroDFN-10 (3x3x0.55mm)
  • Pb-Free Package is Available

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NCP2809ADMR2G

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Obsolete

CAD Model

Pb

A

H

P

Micro10

1

260

REEL

4000

N

AB

0.135

5.5

Multiple Analog

285

0.003

1.5

10

Price N/A

More Details

NCP2809BDMR2G

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Last Shipments

CAD Model

Pb

A

H

P

Micro10

1

260

REEL

4000

N

AB

0.135

5.5

Multiple Analog

285

0.003

1.5

10

Price N/A

More Details

NCP2809BMUTXG

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Obsolete

CAD Model

Pb

A

H

P

UDFN-10

1

260

REEL

3000

N

AB

0.135

5.5

Multiple Analog

285

0.003

1.5

10

Price N/A

More Details

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