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STA350B Datasheet(PDF) 1 Page - STMicroelectronics |
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STA350B Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 94 page  This is information on a product in full production. June 2019 DocID018572 Rev 7 1/94 STA350B, STA350BW 2.1-channel high-efficiency digital audio system Sound Terminal® Datasheet - production data 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 STA350BW with exposed pad down (EPD) PowerSSO-36 STA350B with exposed pad (or slug) up www.st.com |
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