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NCP2991 - 1.35W Audio Power Amplifier

Description

Negative input of the first amplifier, receives the audio input signal.

Connected to the feedback resistor Rf and to the input resistor Rin.

Negative output of the NCP2991.

Features

  • a low.
  • power consumption shutdown mode, which is achieved by driving the.

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Datasheet Details

Part number NCP2991
Manufacturer onsemi
File Size 3.83 MB
Description 1.35W Audio Power Amplifier
Datasheet download datasheet NCP2991 Datasheet

Full PDF Text Transcription

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NCP2991 1.35 Watt Audio Power Amplifier with Selectable Fast Turn On Time The NCP2991 is an audio power amplifier designed for portable communication device applications such as mobile phone applications. The NCP2991 is capable of delivering 1.35 W of continuous average power to an 8.0 W BTL load from a 5.0 V power supply, and 1.1 W to a 4.0 W BTL load from a 3.6 V power supply. The NCP2991 provides high quality audio while requiring few external components and minimal power consumption. It features a low−power consumption shutdown mode, which is achieved by driving the SHUTDOWN pin with logic low. The NCP2991 contains circuitry to prevent from “pop and click” noise that would otherwise occur during turn−on and turn−off transitions.
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