Description

This is a stereo fully digital audio amplifier with output power which can deliver up to 2×16W to 4Ω load with 12V supply voltage. Using I2C digital control interface, AD8256A provides sound processing functions including Volume, Bass, Treble, EQ, Mixing and Dynamic Range Control (DRC).

Features

● 16/18/20/24-bit input with I2S, Left-alignment and Right-alignment data format

● PSNR & DR(A-weighting) Loudspeaker: 93dB (PSNR), 98dB (DR) Headphone: 86dB (PSNR), 96dB (DR)

● Multiple sampling frequencies (Fs) 32kHz / 44.1kHz / 48kHz and 64kHz / 88.2kHz / 96kHz

● System clock = 64x,128x,192x,256x,384x, 512x, 576x, 768x, 1024x Fs 64x~1024x Fs for 32kHz / 44.1kHz / 48kHz 64x~512x Fs for 64kHz / 88.2kHz / 96kHz

● Supply voltage 3.0~12V for loudspeaker driver 3.0~3.3V for others

● Loudspeaker output power 2×10W(Full,8Ω) @ 1kHz and 10 THD+N 2×12.5W(Full,6Ω) @ 1kHz and 10 THD+N 2×16W(Full,4Ω) @ 1kHz and 10 THD+N

● Headphone power 34mW into 32Ω@1kHz and 1 THD+N 65mW into 16Ω@1kHz and 1 THD+N 110mW into 8Ω@1kHz and 1 THD+N 200mW into 4Ω@1kHz and 1 THD+N

● Sound processing including： Bass (+18dB~-12dB, 3dB frequency is 250Hz), Treble (+18dB~-12dB, 3dB frequency is 7kHz), 5 bands parametric EQ, Volume control (+24dB~-103dB, 1dB/step) and Dynamic range control

● Anti-pop design

● Over-temperature protection

● Under-voltage shutdown

● Short-circuit protection

● I2C control interface

Applications

● CD and DVD

● TV audio

● Car audio

● Boom-box

● MP3 docking systems

● Portable / Handheld

● Powered speaker

● Wireless audio

● USB speaker