Features

• Wide-range supply voltage

– 5 V to 26 V (operating range)

– 30 V (absolute maximum rating)

• Four power output configurations

– 2 channels of ternary PWM (stereo mode)

(2 x 50 W into 6 Ω at 25 V)

– 3 channels - left, right using binary and LFE

using ternary PWM (2.1 mode) (2 x 18 W +

1 x 40 W into 2 x 4 Ω, 1 x 8 Ω at 25 V)

– 2 channels of ternary PWM (2 x 50 W) +

stereo lineout ternary

– 1 channel of ternary PWM as mono-BTL

(1 x 90 W into 3 Ω at 24.5 V)

• FFX™ 100 dB SNR and dynamic range

• Selectable 32 to 192 kHz input sample rates

• I2C control with selectable device address

• Digital gain/attenuation +42 dB to -80 dB with

0.125 dB/step resolution

• Soft-volume update with programmable ratio

• Individual channel and master gain/attenuation

• Two independent DRCs configurable as a

dual-band anti-clipper (B2DRC) or independent

limiters/compressors

• EQ-DRC for DRC based on filtered signals

• Dedicated LFE processing for bass boosting

with 0.125 dB/step resolution

• Audio presets:

– 15 preset crossover filters

– 5 preset anti-clipping modes

– Preset nighttime listening mode

• Individual channel and master soft/hard mute

• Independent channel volume and DSP bypass

• Automatic zero-detect mute

• Automatic invalid input-detect mute

• I2S input data interface

• Input and output channel mapping

• Up to 8 user-programmable biquads per

channel

• 3 coefficient banks for EQ presets storing with

fast recall via I2C interface

• Extended coefficient dynamic up to -4..4 for

easy implementation of high shelf filters

• 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 with

quantization error noise shaping for very low

cutoff frequency filters

• Thermal overload and short-circuit protection

embedded

• Video apps: 576 x Fs input mode supported

• Fully compatible with the STA339BW and the

STA339BWS