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NCP2704 Datasheet Audio Management Integrated Circuit

Manufacturer: onsemi

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Overview

NCP2704 Audio Management Integrated Circuit with 2.8 W Class D and LongPlay True Ground Headphone Amplifier http://onsemi.com The NCP2704 is a cost effective audio subsystem designed for portable applications such as cellular phones and portable media MARKING DIAGRAM player.

It has been designed to cover the power audio requirements in portable equipment: including a high fidelity Class D speaker amplifier and a Class G equivalent LongPlay true ground headphone amplifier.

This patented headphone amplifier circuitry allows the removal of the bulky output capacitors and minimize audio playback current consumption with minimum external components.

Key Features

  • Flexible MUX Capability and Volume Control.
  • Separated Mixer Control Between Louspeaker and Headset.
  • Support Either Differential or Single.
  • ended Input.
  • High Sound Quality.
  • 100 dB PSRR on Headphone Amplifier.
  • 80 dB PSRR on Loudspeaker Amplifier.
  • 0.02% THD+N at 1 kHz on Headset Amplifier.
  • 0.1% THD+N at 1 kHz on Loudspeaker Amplifier A1 IN2B B1 IN2A C1 NC D1 LPN A2 IN1B B2 IN1A C2 GND D2 PVDD A3 A4.

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