Description FFX
●The STA335W is an integrated solution of digital audio processing, digital amplifier control, and FFX -power output stage, thereby creating a high-power single-chip FFX solution comprising high-quality, high-efficiency, all digital amplification.
●Features
●■ Wide voltage supply range
● – 5 V to 26 V (operating range)
● – 30 V (absolute maximum rating)
●■ 2 channels of ternary PWM (stereo mode) (2 x 20 W into 8Ωat 18 V)
●■ 2.0 channels of 24-bit FFX100 dB SNR and dynamic range
●■ 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
●■ Individual channel and master soft/hard mute
●■ Automatic zero-detect mute
●■ Automatic invalid input-detect mute
●■ 2-channel I2S input data interface
●■ Advanced AM interference frequency switching and noise suppression modes
●■ Selectable high- or low-bandwidth noise-shaping topologies
●■ Variable max power correction for lower full-power THD
●■ Selectable clock input ratio
●■ 96 kHz internal processing sample rate, 24 to 28-bit precision
●■ Thermal overload and short-circuit protection embedded
●■ Video apps: 576 x Fs input mode supported
●■ Fully compatible with STA335BW (on the common registers).
