AD82550A - Elite Semiconductor Memory Technology

AD82550A Stereo Digital Audio Amplifier

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. AD82550A can detect headphone connection and choose to drive either stereo loudspeakers or stereo headphones. Operating with 3.0/3.3/5V loudspeaker driver supply, each loudspeaker chann.

Features

z 16/18/20/24-bit input with I S data format z PSNR & DR (A-weighting) Loudspeaker: 98dB (PSNR), 106dB (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 3.5W into 4Ω load @ 0dB 1kHz sinewave input 2.0W into 8Ω load @ 0dB 1kHz sinewave input z Louds.