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TFA9895 - Boosted class-D audio amplifier

Datasheet Summary

Description

The TFA9895 is a high efficiency class-D audio amplifier with a sophisticated speaker boost protection algorithm that

Features

  • Sophisticated speaker-boost and protection algorithm that maximizes speaker performance while protecting the speaker:.
  • Fully embedded software, no additional license fee or porting required.
  • Total integrated solution that includes DSP, amplifier, DC-to-DC, sensing and more.
  • Adaptive excursion control guarantees that the speaker membrane excursion never exceeds its rated limit.
  • Multiband dynamic range compressor (DRC) allows independent control of up to three frequency.

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Datasheet Details

Part number TFA9895
Manufacturer NXP
File Size 197.17 KB
Description Boosted class-D audio amplifier
Datasheet download datasheet TFA9895 Datasheet
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TFA9895 Boosted class-D audio amplifier with speaker boost protection and multiband dynamic range compressor Rev. 1 — 23 October 2013 Product short data sheet 1. General description The TFA9895 is a high efficiency class-D audio amplifier with a sophisticated speaker boost protection algorithm that features multi-band compression. It can deliver 2.65 W (RMS; THD = 1 %) output power into a 4  speaker at a battery voltage of 3.6 V. The internal boost converter raises the supply voltage to 5.3 V, providing ample headroom for major improvements in sound quality. A safe working environment is provided for the speaker under all operating conditions. The TFA9895 maximizes acoustic output while ensuring diaphragm displacement and voice coil temperature do not exceed their rated limits.
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