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BCT8890 - 2.2W BTL Output Class AB Audio Power Amplifier

Description

The BCT8890 audio power amplifier is ideal for portable audio devices with internal speakers.

A bridge-tied load (BTL) architecture minimizes external component count, while providing highquality audio reproduction.

The device is available as adjustable gain amplifier, reducing component count.

Features

  • 2.5V to 5.5V Single-Supply Operation.
  • PO at 10% THD+N, f=1KHz,VCC=5V RL=8 Ω 1.5W (Typ. ) RL=4 Ω 2.2W (Typ. ).
  • Less than 1uA Low-Power Shutdown Mode.
  • 64dB PSRR at 1kHz.
  • Temperature Range:.
  • 40°C to 85°C.
  • No Audible Clicks or Pops at Power-Up/Down.
  • Available in MSOP8/DFN3x3-8L/DFN2x2-8L package.

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Datasheet Details

Part number BCT8890
Manufacturer BROADCHIP
File Size 335.22 KB
Description 2.2W BTL Output Class AB Audio Power Amplifier
Datasheet download datasheet BCT8890 Datasheet

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Full PDF Text Transcription

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BCT8890 2.2W BTL Output Class AB Audio Power Amplifier BCT8890 2.2W BTL Output Class AB Audio Power Amplifier GENERAL DESCRIPTION The BCT8890 audio power amplifier is ideal for portable audio devices with internal speakers. A bridge-tied load (BTL) architecture minimizes external component count, while providing highquality audio reproduction. The device is available as adjustable gain amplifier, reducing component count. A low-power shutdown mode disables the bias generator and amplifiers, reducing quiescent current consumption to less than 1uA. This device feature Broadchip’s industry-leading, comprehensive click-and-pop sup-pression that reduces audible clicks and pops during startup and shutdown. The BCT8890 is available in 8-pin MSOP8 /DFN3x3-8L/DFN2x2-8L package.
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