STA335W STMicroelectronics

STA335W 2.0-channel high-efficiency digital audio system 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 PowerSSO-36 (slug down) 20 W into 8 at 18 V) 96 kHz internal processing sample rate, 24 to 2.0 channels of 24-bit FFX 100 dB SNR and 28-bit precision dynamic range Thermal overload and short-circuit protection Selectable 32 to 192 kHz input sample rates embedded 2 I C control with selectable device address Video apps: 576 x Fs input mode supported Digital gain/attenuation +48 dB to -80 dB with Fully compatible with STA335BW (on the 0.5 dB/step resolution common registers). 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 2-channel I S 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 Table 1. Device summary Order code Package Packaging STA335W PowerSSO-36 slug down Tube STA335W13TR PowerSSO-36 slug down Tape and reel August 2009 Rev 1 1/43 www.st.com 3STA335W 2/43