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TPA2018D1 - 3-W Mono Class-D Audio Amplifier

Description

The TPA2018D1 is a mono, filter-free Class-D audio power amplifier with volume control, dynamic range compression (DRC) and automatic gain control (AGC).

It is available in a 1.63 mm x 1.63 mm WCSP package.

The DRC/AGC function in the TPA2018D1 is programmable via a digital I2C interface.

Features

  • 1.
  • 23 Filter-Free Class-D Architecture.
  • 3 W Into 4 Ω at 5 V (10% THD+N).
  • 880 mW Into 8 Ω at 3.6 V (10% THD+N).
  • Power Supply Range: 2.5 V to 5.5 V.
  • Flexible Operation With/Without I2C™.
  • Programmable DRC/AGC Parameters.
  • Digital I2C™ Volume Control.
  • Selectable Gain from.
  • 28 dB to 30 dB in 1-dB Steps (when compression is used).
  • Selectable Attack, Release and Hold Times.
  • 4 Selectable Compression Ratios.

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Full PDF Text Transcription

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TPA2018D1 www.ti.com ................................................................................................................................................................................................ SLOS592 – AUGUST 2009 3-W Mono Class-D Audio Amplifier with SmartGain™ AGC/DRC FEATURES 1 •23 Filter-Free Class-D Architecture • 3 W Into 4 Ω at 5 V (10% THD+N) • 880 mW Into 8 Ω at 3.6 V (10% THD+N) • Power Supply Range: 2.5 V to 5.5 V • Flexible Operation With/Without I2C™ • Programmable DRC/AGC Parameters • Digital I2C™ Volume Control • Selectable Gain from –28 dB to 30 dB in 1-dB Steps (when compression is used) • Selectable Attack, Release and Hold Times • 4 Selectable Compression Ratios • Low Supply Current: 1.8 mA • Low Shutdown Current: 0.
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