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NCP2809 - 135mW Stereo Headphone Power Amplifier

Description

Negative input of the second amplifier.

It receives the audio input signal.

Connected to the input capicator Cin (NCP2809A) or the external Rin (NCP2809B).

Features

  • 135 mW to a 16 W Load from a 5.0 V Power Supply.
  • Excellent PSRR (85 dB Typical): Direct Connection to the Battery.
  • “Pop and Click” Noise Protection Circuit.
  • Ultra Low Current Shutdown Mode.
  • 2.2 V.
  • 5.5 V Operation.
  • Outstanding Total Harmonics Distortion + Noise (THD+N): Less than 0.01%.
  • External Turn.
  • on and Turn.
  • off Configuration Capability.
  • Thermal Overload Protection Circuitry.
  • NCP2809B avai.

📥 Download Datasheet

Datasheet preview – NCP2809

Datasheet Details

Part number NCP2809
Manufacturer ON
File Size 221.50 KB
Description 135mW Stereo Headphone Power Amplifier
Datasheet download datasheet NCP2809 Datasheet
Additional preview pages of the NCP2809 datasheet.

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Full PDF Text Transcription

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NCP2809 Series NOCAPt 135 mW Stereo Headphone Power Amplifier The NCP2809 is a cost−effective stereo audio power amplifier capable of delivering 135 mW of continuous average power per channel into 16 W 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 externally 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 (Figure 1).
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