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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