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