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
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