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STA369BW Datasheet(PDF) 1 Page - STMicroelectronics |
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STA369BW Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 88 page  July 2011 Doc ID 022033 Rev 1 1/88 1 STA369BW Sound Terminal® 2.1-channel high-efficiency digital audio system 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 30 W into 8 Ω at 22 V) – 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode) (2 x 15 W + 1x30 W into 2x4 Ω, 1 x 8 Ω at 22 V) – 2 channels of ternary PWM (2 x 30 W) + stereo lineout ternary) ■ FFX®100 dB SNR and dynamic range ■ Selectable 32 to 192 kHz input sampling 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 sampling 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 STA339BW, STA369BWS and STA350BW Table 1. Device summary Order code Package Packing STA369BW Power SSO-36 Tube STA369BWTR Power SSO-36 Tape and reel PowerSSO-36 with exposed pad down (EPD) www.st.com |
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