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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.

Key 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.

📥 Download Datasheet

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

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.