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AD82551A - Stereo Digital Audio Amplifier

General Description

This is a stereo digital audio amplifier with high power efficiency, which leads to longer battery life, less heat sink requirement, smaller board size and lower system cost.

AD82551A can detect headphone connection and choose to drive either stereo loudspeakers or stereo headphones.

Key Features

  • z 16/18/20/24-bit input with I S data format z PSNR & DR (A-weighting) Loudspeaker: 98dB (PSNR), 102dB (DR) Headphone: 87dB (PSNR), 96dB (DR) z Multiple sampling frequencies (Fs) 8kHz, 12kHz, 16kHz, 22.05kHz, 24kHz 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2kHz and 96kHz www. DataSheet4U. com z System clock = 256Fs z 8Fs switching for loudspeakers and headphones z Single or dual supply Single supply: 3.0~3.3V for the whole chip Dual supply: 3.0~5V for loudspeaker drivers 3.0~3.3V for others z Loudspeaker p.

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Datasheet Details

Part number AD82551A
Manufacturer Elite Semiconductor Memory Technology
File Size 213.15 KB
Description Stereo Digital Audio Amplifier
Datasheet download datasheet AD82551A 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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ESMT Features z 16/18/20/24-bit input with I S data format z PSNR & DR (A-weighting) Loudspeaker: 98dB (PSNR), 102dB (DR) Headphone: 87dB (PSNR), 96dB (DR) z Multiple sampling frequencies (Fs) 8kHz, 12kHz, 16kHz, 22.05kHz, 24kHz 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2kHz and 96kHz www.DataSheet4U.com z System clock = 256Fs z 8Fs switching for loudspeakers and headphones z Single or dual supply Single supply: 3.0~3.3V for the whole chip Dual supply: 3.0~5V for loudspeaker drivers 3.0~3.3V for others z Loudspeaker power 2.3W into 4Ω load @ 0dB 1kHz sinewave input 1.