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EMA1903 - 1W Fully Differential Audio Power Amplifier

Datasheet Summary

Description

The EMA1903 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.

Features

  • a low-power consumption shutdown mode. To facilitate this, shutdown may be enabled by either logic high or low depending on mode selection. Driving the shutdown mode pin either high or low enables the shutdown select pin to be driven in a likewise manner to enable Shutdown. Additionally, the EMA1903 features an internal thermal shutdown protection mechanism. The EMA1903 contains advanced pop & click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transit.

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Datasheet preview – EMA1903

Datasheet Details

Part number EMA1903
Manufacturer Elite Semiconductor
File Size 229.43 KB
Description 1W Fully Differential Audio Power Amplifier
Datasheet download datasheet EMA1903 Datasheet
Additional preview pages of the EMA1903 datasheet.

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Full PDF Text Transcription

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ESMT/EMP EMA1903 1W Fully Differential Audio Power Amplifier with Shutdown Select General Description The EMA1903 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 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply. The EMA1903 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement. The EMA1903 features a low-power consumption shutdown mode.
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