AD82589-2x20W Stereo Digital Audio Amplifier

AD82589-2x20W Stereo/1x40W Mono Digital Audio Amplifier With 24 Bands EQ Functions DataSheet

AD82589_layout guideline AD82589_GUI

AD82589_software AD82589A_USB

Description
    AD82589 is an integrated audio system solution,
embedding digital audio processing power stage
amplifier.
    AD82589 has a programmable slew-rate
controlled output buffer, which drives one (mono) or
two (stereo) speakers directly. In addition, it is
insusceptible to supply voltage fluctuation due to the
close-loop design.
    AD82589 can provide advanced audio processing
capabilities, such as volume control, 24 bands EQ,
audio mixing and Dynamic Range Control (DRC).
These functions are fully programmable via a simple
I2C interface.
Robust protection circuits are provided to protect
    AD82589 from damage due to accidental erroneous
operation. AD82589, being a digital circuit design, is
more tolerant to noise and PVT (Process, Voltage, and
Temperature) variation than the analog Class-AB or
Class-D audio amplifier counterpart implemented by
analog circuit design. Furthermore, AD82589 is pop
free during instantaneous power switching because of
its built-in, robust anti-pop circuit.

Features
 16/18/20/24-bits input with I2S, Left-alignment
and Right-alignment data format
 PSNR & DR (A-weighting)
Loudspeaker: 102dB (PSNR), 108dB (DR)
@24V
 Multiple sampling frequencies (Fs)
32kHz / 44.1kHz / 48kHz and
64kHz / 88.2kHz / 96kHz and
128kHz / 176.4kHz / 192kHz
 I2C control interface
 Channel mixing
 Volume control (+12dB ~ -103dB, 0.125dB/step)
 Power clipping function
 DRC and DTC function
 24 bands parametric speaker EQ
 Bass/Treble tone control
 DRC and post scale boost
 Check-sum coefficient protection
 Noise gate function
 Pop noise less muting (Quick Mute/Quick Start)
 Sleep function
 X3 over sampling for 32kHz FS
 AM interference frequency switching
 Level meter
 Post-scale and DRC offset volume support
 Over current protection function (OCP)
 Over temperature protection function (OTP)
 Under voltage lock out (UVLO)
 Over voltage protection function (OVP)
 DC detection function (DCDET)
 Clock detection function (CKDET)
 Lead-free E-LQFP-48L

Applications
 TV audio
 Boom-box, CD and DVD receiver, docking system
 Powered speaker
 Wireless audio