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EMA1001 - 1W Mono Audio Power Amplifier

Datasheet Summary

Description

The EMA1001 is an audio power amplifier primarily designed for portable communication applications such as mobile phones and portable multimedia players (PMP).

To an 8Ω BTL load, it can deliver 1 watt of continuous average power with less than 1% distortion (THD+N) from a 5VDC supply.

Features

  • Available in space-saving MSOP package Ultra low current shutdown mode BTL output driving capacitive loads Improved pop & click circuitry eliminating noises during turn-on and turn-off transitions.
  • 2.2 - 5.5V operation No output coupling capacitors, snubber networks or bootstrap capacitors required.
  • The EMA1001 is pin-compatible to National Semi’s LM4890 with a superior (THD+N). It does not require output coupling capacitors or bootstrap.

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Datasheet Details

Part number EMA1001
Manufacturer Elite Semiconductor
File Size 252.28 KB
Description 1W Mono Audio Power Amplifier
Datasheet download datasheet EMA1001 Datasheet
Additional preview pages of the EMA1001 datasheet.

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Full PDF Text Transcription

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ESMT/EMP 1W Mono Audio Power Amplifier General Description The EMA1001 is an audio power amplifier primarily designed for portable communication applications such as mobile phones and portable multimedia players (PMP). To an 8Ω BTL load, it can deliver 1 watt of continuous average power with less than 1% distortion (THD+N) from a 5VDC supply. EMA1001 Key Specifications „ „ „ „ PSRR at 217Hz, VDD = 5V (Fig. 1) 60dB(typ.) Power Output at 5.0V & 1% THD 1W(typ.) Power Output at 2.6V & 1% THD 250mW(typ.) Shutdown Current 0.1µA(typ.) Features „ Available in space-saving MSOP package Ultra low current shutdown mode BTL output driving capacitive loads Improved pop & click circuitry eliminating noises during turn-on and turn-off transitions „ „ 2.2 - 5.
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