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VA2239 - Filterless Class D Audio Amplifier

Features

  • The VA2239 is a cost-effective filter-less - Operation Voltage from 4.5V to 26V Class D stereo/PBTL mono audio power amplifier - Maximum 90% Efficiency with an 8Ω Speaker that operates in wide range of various power sup- - 2x50W@4Ω, THD+N =10% at 21V plies. VA2239 provide gain control with simple - 2x35W@4Ω, THD+N =1% at 18V voltage dividers. VA2239 can output 50W per - 1x60W@3Ω, THD+N =1% at 18V (PBTL) channel into 4Ω load with lower supply current - 1x80W@3Ω, THD+N.

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Datasheet Details

Part number VA2239
Manufacturer Viva Electronics
File Size 1.96 MB
Description Filterless Class D Audio Amplifier
Datasheet download datasheet VA2239 Datasheet

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Full PDF Text Transcription

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VA2239 Preliminary Filterless Class D Audio Amplifier General Description Features The VA2239 is a cost-effective filter-less - Operation Voltage from 4.5V to 26V Class D stereo/PBTL mono audio power amplifier - Maximum 90% Efficiency with an 8Ω Speaker that operates in wide range of various power sup- - 2x50W@4Ω, THD+N =10% at 21V plies. VA2239 provide gain control with simple - 2x35W@4Ω, THD+N =1% at 18V voltage dividers. VA2239 can output 50W per - 1x60W@3Ω, THD+N =1% at 18V (PBTL) channel into 4Ω load with lower supply current - 1x80W@3Ω, THD+N<1% at 24V (PBTL) and fewer external components for driving bridged - Multiple Switching Frequencies for AM Avoidance -tied stereo speaker directly.
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