Audio Power Amplifier, Stereo Headphone 135 mW

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Overview

The NCP2809 is a cost-effective stereo audio power amplifier capable of delivering 135mW of continuous average power per channel into 16Ω loads.
The NCP2809 audio power amplifier is specifically designed to provide high quality output power from low supply voltage, requiring very few external components. Since NCP2809 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems. NCP2809A has an internal gain of 0 dB while specific external gain can be set with NCP2809B.
If the application allows it, the virtual ground provided by the device can be connected to the middle point of the headset. In such case, the two external heavy coupling capacitors typically used can be removed. Otherwise, you can also both outputs in single ended mode with external coupling capacitors.
Due to its excellent PSRR, it can be directly connected to the battery, saving the use of an LDO.

  • 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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Reference Price

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

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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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