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PT5305 - 1.4W Filter-free Class D Audio Power Amplifier

Datasheet Summary

Description

The PT5305 is a filter-free class D audio power amplifier designed for portable communication device applications.

It is capable of delivering 1.4 watt to an 8Ω load with less than 10% distortion (THD+N) from a 5V power supply.

Features

  • z 1.4W Into 8 Ω from a 5V supply at THD=10% (Typ) z High Efficiency: 84% at 400mW, 5V power supply and 8Ω speaker z 75dB PSRR at 217Hz z 2mA Quiescent Current z 0.5uA Shutdown Current z advanced pop & click circuitry z over current limiter z thermal overload protection z low power shutdown mode z Only Three External Components z Wide Supply Voltage (2.5V to 5.5V) z Space Saving Packages 3mm.
  • 3mm QFN package and 8-pin MSOP package.

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Datasheet preview – PT5305

Datasheet Details

Part number PT5305
Manufacturer Powtech
File Size 207.66 KB
Description 1.4W Filter-free Class D Audio Power Amplifier
Datasheet download datasheet PT5305 Datasheet
Additional preview pages of the PT5305 datasheet.

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Full PDF Text Transcription

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PT5305 1.4W Filter-free Class D Audio Power Amplifier GENERAL DESCRIPTION The PT5305 is a filter-free class D audio power amplifier designed for portable communication device applications. It is capable of delivering 1.4 watt to an 8Ω load with less than 10% distortion (THD+N) from a 5V power supply. FEATURES z 1.4W Into 8 Ω from a 5V supply at THD=10% (Typ) z High Efficiency: 84% at 400mW, 5V power supply and 8Ω speaker z 75dB PSRR at 217Hz z 2mA Quiescent Current z 0.5uA Shutdown Current z advanced pop & click circuitry z over current limiter z thermal overload protection z low power shutdown mode z Only Three External Components z Wide Supply Voltage (2.5V to 5.
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