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STA339BWS 数据表(PDF) 1 Page - STMicroelectronics |
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STA339BWS 数据表(HTML) 1 Page - STMicroelectronics |
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1 / 76 page  November 2011 Doc ID 15276 Rev 5 1/76 76 STA339BWS 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 ■ Selectable 32- to 192-kHz input sample rates ■ I2C control with selectable device address ■ Digital gain/attenuation +48 dB to -80 dB with 0.5-dB/step resolution ■ Soft volume update with programmable ratio ■ Individual channel and master gain/attenuation ■ Two independent DRCs configurable as a dual-band anticlipper (B2DRC) or as independent limiters/compressors ■ EQ-DRC for DRC based on filtered signals ■ Dedicated LFE processing for bass boosting ■ Audio presets: – 15 preset crossover filters – 5 preset anticlipping modes – Preset nighttime 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 coefficient banks for storing EQ presets with fast recall via I2C interface ■ 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 ■ Thermal overload and short-circuit protection technology ■ Video apps: 576 x fS input mode supported ■ Pin and SW compatible with STA333BW, STA339BW, STA559BW and STA559BWS PowerSSO-36 with exposed pad down (EPD) Table 1. Device summary Order code Package Packaging STA339BWS PowerSSO-36 EPD Tube STA339BWS13TR PowerSSO-36 EPD Tape and reel www.st.com |
类似零件编号 - STA339BWS_11 |
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类似说明 - STA339BWS_11 |
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