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PT5303 - 1.25W Mono Full Differential Audio Power Amplifier

General Description

The PT5303 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.

Key Features

  • z z z z z z z z 1.25W into 8Ω from a 5V Supply at THD=1% (Typ. ) Low Supply Current: 2.7mA@VDD=5V Shutdown Current < 1uA Improved PSRR at 217Hz: 80dB (Typ. ) Fully Differential Design Reduces RF Rectification Improved CMRR Eliminates Two Input Coupling Capacitors Cbypass is Optional Due to Fully Differential Design and High PSRR MSOP-10 and SMD-9 packages.

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Datasheet Details

Part number PT5303
Manufacturer Powtech
File Size 273.50 KB
Description 1.25W Mono Full Differential Audio Power Amplifier
Datasheet download datasheet PT5303 Datasheet

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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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PT5303 1.25W Mono Full Differential Audio Power Amplifier with Shutdown Select GENERAL DESCRIPTION The PT5303 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.25W of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5V power supply. The PT5303 is designed specifically to provide high quality output power with a minimal amount of external components. The PT5303 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phones and other low voltage applications where minimal power consumption is a primary requirement.