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A2222 - DUAL 2.2W PLUS STEREO HEADPHONE AUDIO POWER AMPLIFIER

General Description

The A2222 is a dual bridge-connected audio power amplifier which, when connected to a 5V supply, will deliver 2.2W to a 4Ω load or 2.5W to a 3Ω load with less than 1.0% THD+N.

In addition, the headphone input pin allows the amplifiers to operate in single-ended mode to drive stereo headphones.

Key Features

  • an externally controlled, low-power consumption shutdown mode, a stereo headphone amplifier mode, and thermal shutdown protection. It also utilizes circuitry to reduce “clicks and pops” during device turn-on. The A2222 is available in SOP16 package.

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Datasheet Details

Part number A2222
Manufacturer AiT Semiconductor
File Size 659.74 KB
Description DUAL 2.2W PLUS STEREO HEADPHONE AUDIO POWER AMPLIFIER
Datasheet download datasheet A2222 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AiT Semiconductor Inc. www.ait-ic.com A2222 AUDIO POWER AMPLIFIER DUAL 2.2W PLUS STEREO HEADPHONE FUNCITON DESCRIPTION The A2222 is a dual bridge-connected audio power amplifier which, when connected to a 5V supply, will deliver 2.2W to a 4Ω load or 2.5W to a 3Ω load with less than 1.0% THD+N. In addition, the headphone input pin allows the amplifiers to operate in single-ended mode to drive stereo headphones. Boomer audio power amplifiers were designed specifically to provide high quality output power from a surface mount package while requiring few external components. To simplify audio system design, the A2222 combines dual bridge speaker amplifiers and stereo headphone amplifiers on one chip.