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

Description

XA8323 is an integrated audio system solution, embedding digital audio processing power stage amplifier.

XA8323 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.

XA8323 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 XA8323 from damage due to accidental erroneous operation. XA8323, 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, XA8323 is pop free during instantaneous power switching because of its built-in, robust anti-pop circuit.

Applications

TV audio

Boom-box, CD and DVD receiver, docking system

Powered speaker

Wireless audio