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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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STA350BW Fiches technique(PDF) 1 Page - STMicroelectronics |
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STA350BW Fiches technique(HTML) 1 Page - STMicroelectronics |
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1 / 86 page  This is information on a product in full production. April 2012 Doc ID 018572 Rev 3 1/86 1 STA350BW Sound Terminal® 2.1-channel high-efficiency digital audio system Datasheet − production data Features ■ Wide-range supply voltage – 5 V to 26 V (operating range) – 30 V (absolute maximum rating) ■ Four power output configurations(a) – 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 + 1x40 W into 2x4 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 STA339BW and STA339BWS a. Music output power with THD = 10%, using ST’s recommended board, see Section 4: Characterization curves for more details. PowerSSO-36 with exposed pad down (EPD) www.st.com |
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