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PA4894 - 1.8 WATT DIFFERENTIAL AUDIO POWER AMPLIFIER

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General Description

The UTC PA4894 is a differential audio power amplifier, characterized by its selectable shutdown mode for flexible operation.

Shutdown may be enabled by either logic high or low depending on the voltage applied on the SD MODE pin and the shutdown mode

Overview

UNISONIC TECHNOLOGIES CO., LTD PA4894 1.8 WATT DIFFERENTIAL AUDIO POWER AMPLIFIER WITH SELECTABLE SHUTDOWN CMOS IC.

Key Features

  • Differential amplification.
  • Selectable and low current shutdown mode.
  • 1.0W/Ch(typ. )into a 8Ω load @5.0V.
  • Directly connected to the battery due to excellent PSRR.
  • Operation supply: 2.2 V-5.5 V.
  • External controlled gain and turn-on time configuration.
  • Circuits for protection.
  • Thermal overload protection circuit.
  • “Click and pop” noise protection circuit.
  • Halogen Free Packing Tape Reel www. unisonic. com. tw Copyright © 2009 Unisonic Technologies Co. ,.

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