Features

 Wide-range supply voltage, 4.5 V to 21.5 V

 Three power output configurations:

– 2 channels of ternary PWM (2 x 20 W into

8  at 18 V) + PWM output

– 2 channels of ternary PWM (2 x 20 W into

8  at 18 V) + ternary stereo line-out

– 2.1 channels of binary PWM (left, right,

LFE) (2 x 9 W into 4  +1 x 20 W into 8 

at 18 V)

 FFX with 100-dB SNR and dynamic range

 Scalable FFX modulation index

 Selectable 32- to 192-kHz input sample rates

 I2C control with selectable device address

 Digital gain/attenuation +48 dB to -80 dB with

0.5-dB/step resolution

 Soft volume update with programmable ratio

 Individual channel and master gain/attenuation

 Two independent DRCs configurable as a

dual-band anticlipper (B2DRC) or as

independent limiters/compressors

 EQ-DRC for DRC based on filtered signals

 Dedicated LFE processing for bass boosting

 Audio presets:

– 15 preset crossover filters

– 5 preset anticlipping modes

– Preset nighttime listening mode

 Individual channel soft/hard mute

 Independent channel volume and DSP bypass

 I2S input data interface

 Input and output channel mapping

 Automatic invalid input-detect mute

 Up to 8 user-programmable biquads/channel

 Three coefficient banks for storing EQ presets

with fast recall via I2C interface

 Bass/treble tones and de-emphasis control

 Selectable high-pass filter for DC blocking

 Advanced AM interference frequency

switching and noise suppression modes

 Selectable high- or low-bandwidth

noise-shaping topologies

 Selectable clock input ratio

 96-kHz internal processing sample rate

 Thermal overload and short-circuit protection

technology

 Video apps: 576 x fS input mode supported

 Pin and SW compatible with STA333BW,

STA339BW, STA559BW and STA559BWS