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NCP4894 - Differential Audio Power Amplifier

Datasheet Summary

Description

9 Pin Flip Chip Micro 10/DFN10 Type Symbol Description A1 4 I INP Positive Differential Input A2 5 O BYPASS Bypass Capacitor Pin which Provides the Common Mode Voltage A3 6 I OUTB Negative BTL Output B1 9 I VP Positive Analog Supply of the Cell B2 3 I SD MODE Shutd

Features

  • a low.
  • power consumption shutdown mode. To be flexible, shutdown may be enabled by either a logic high or low depending on the voltage applied on the SD MODE pin. The NCP4894 contains circuitry to prevent from “pop and click” noise that would otherwise occur during turn.
  • on and turn.
  • off transitions. For maximum flexibility, the NCP4894 provides an externally controlled gain (with resistors), as well as an externally controlled turn.
  • on time (with bypass capacitor). D.

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Datasheet Details

Part number NCP4894
Manufacturer ON Semiconductor
File Size 170.98 KB
Description Differential Audio Power Amplifier
Datasheet download datasheet NCP4894 Datasheet
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Full PDF Text Transcription

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NCP4894 1.8 Watt Differential Audio Power Amplifier with Selectable Shutdown The NCP4894 is a differential audio power amplifier designed for portable communication device applications. This feature and the excellent audio characteristics of the NCP4894 are a guarantee of a high quality sound, for example, in mobile phones applications. With a 10% THD+N value the NCP4894 is capable of delivering 1.8 W of continuous average power to an 8.0 W load from a 5.5 V power supply. With the same load conditions and a 5.0 V battery voltage, it ensures 1.0 W to be delivered with less than 0.01% distortion. The NCP4894 provides high quality audio while requiring few external components and minimal power consumption. It features a low−power consumption shutdown mode.
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