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STA369BWS 数据表(PDF) 1 Page - STMicroelectronics |
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STA369BWS 数据表(HTML) 1 Page - STMicroelectronics |
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1 / 89 page  November 2010 Doc ID 16861 Rev 4 1/89 89 STA369BWS 2.1-channel 40-watt high-efficiency digital audio system Sound Terminal™ Features Wide-range supply voltage, 4.5 V to 21.5 V Three power output configurations: – 2 channels of ternary PWM (2 x 20 W into 8 Ω at 18 V) + PWM output – 2 channels of ternary PWM (2 x 20 W into 8 Ω at 18 V) + ternary stereo line-out – 2.1 channels of binary PWM (left, right, LFE) (2 x 9 W into 4 Ω +1 x 20 W into 8 Ω at 18 V) FFX with 100-dB SNR and dynamic range Scalable FFX modulation index (up to 100%) Selectable 32- to 192-kHz input sample rates I2C control with selectable device address Digital gain/attenuation +48 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 as independent limiters/compressors with optional global DRC capability 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 night-time listening mode Individual channel soft/hard mute Independent channel volume and DSP bypass I2S input data interface Input and output channel mapping Automatic invalid input-detect mute Up to 8 user-programmable biquads/channel Three coefficients banks for EQ presets storing with fast recall via I2C interface Extended filter dynamics +4/-4 for better sound shaping and easier filter implementation Bass/treble tones and de-emphasis control Selectable high-pass filter for DC blocking Advanced AM interference frequency switching and noise suppression modes F3X™ advanced PWM modulation scheme for carrier suppression (headphone or line output) 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 cut-off frequency filters Thermal overload and short-circuit protection embedded Video apps: 576 x fS input mode supported PCB manufacturing short-circuit protection technology Table 1. Device summary Order code Package Packaging STA369BWS PowerSSO-36 EPD Tube STA369BWSTR PowerSSO-36 EPD Tape and reel PowerSSO-36 with exposed pad down (EPD) www.st.com |
类似零件编号 - STA369BWS |
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类似说明 - STA369BWS |
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