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EUA2045 - 2.8W Mono Filterless Class-D Audio Power Amplifier

Description

The EUA2045 is a high efficiency, 2.8W mono class-D audio power amplifier with non-clip.

A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, system cost, and simplifying design.

Features

  • Unique Modulation Scheme Reduces EMI Emissions Unique Non-Clip function , Variable NCN1, NCN2,NCNOFF mode Select Short Circuit Auto-Recovery Efficiency at 3.6V With an 8-Ω Speaker:.
  • 84% at 400 mW Low Quiescent Current and Shutdown Current 2.5V to 5.5V Wide Supply Voltage Shutdown Pin Compatible with 1.8V Logic GPIO Optimized PWM Output Stage Eliminates LC Output Filter Improved PSRR ( -68 dB) Eliminates Need for a Voltage Regulator Fully Differential Design Reduces RF Rectification and.

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Datasheet Details

Part number EUA2045
Manufacturer Eutech Microelectronics
File Size 1.08 MB
Description 2.8W Mono Filterless Class-D Audio Power Amplifier
Datasheet download datasheet EUA2045 Datasheet

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Part Number Description
EUA2005 1.5-W Mono Filterless Class-D Audio Power Amplifier
EUA2008 3-W Stereo Class-D Audio Amplifier
EUA2011 3-W Mono Filterless Class-D Audio Power Amplifier
EUA2011A 2.5-W Mono Filterless Class-D Audio Power Amplifier
EUA2012A 2.5-W/CH Stereo Filter-less Class-D Audio Power Amplifier

Full PDF Text Transcription

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EUA2045 Non-Clip, Low EMI, 2.8W Mono Filterless Class-D Audio Power Amplifier with Auto-Recovery DESCRIPTION The EUA2045 is a high efficiency, 2.8W mono class-D audio power amplifier with non-clip. A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, system cost, and simplifying design. Operating in a single 5V supply, EUA2045 is capable of driving 4Ω speaker load at a continuous average output of 2.8W/10% THD+N or 2.2W/1% THD+N. The EUA2045 has high efficiency with speaker load compared to a typical class AB amplifier. With a 3.6V supply driving an 8Ω speaker , the efficiency for a 400mW power level is 84%.
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