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 Ω at 18 V) + PWM output

– 2 channels of ternary PWM

(2 x 20 W into 8 Ω at 18 V) + ternary stereo

line-out

– 2.1 channels of binary PWM (left, right,

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

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

„ Dynamic range compression (DRC) or anticlipping mode

„ Audio presets:

– 15 preset crossover filters

– 5 preset anticlipping modes

– Preset night-time 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 5 user-programmable biquads/channel

„ Three coefficients banks for EQ presets storing 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

„ Sub channel mix into left and right channels

„ 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 STA335BW, STA339BW, STA339BWS, STA559BW and STA559BWS