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STA309A Datasheet(PDF) 1 Page - STMicroelectronics |
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STA309A Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 67 page  October 2009 Doc ID 13855 Rev 4 1/67 67 STA309A Multi-channel digital audio processor with DDX® Features 8 channels of 24-bit DDX® (direct digital amplification) >100 dB of SNR and dynamic range Selectable 32 kHz - 192 kHz input sample rates 6 channels of DSD/SACD input Digital gain/attenuation +58 dB to -100 dB in 0.5-dB steps Soft volume update Individual channel and master gain/attenuation plus channel trim (-10 dB to +10 dB) Up to 10 independent 32-bit user programmable biquads (EQ) per channel Bass/treble tone control Pre and post EQ full 8-channel input mix on all 8 channels Dual independent limiters/compressors Dynamic range compression Automode™: – 5-band graphic EQ – 32 preset EQ curves (rock, jazz, pop, etc.) – Automatic volume controlled loudness – 5.1 to 2-channel downmix – Simultaneous 5.1- and 2-channel downmix outputs – 3 preset volume curves – 2 preset anti-clipping modes – Preset movie nighttime listening mode – Preset TV channel/commercial AGC mode – 5.1, 2.1 bass management configurations – 8 preset crossover filters Individual channel and master soft/hard mute Automatic zero-detect and invalid input mute Automatic invalid input detect mute Advanced PopFree operation Advanced AM interference frequency switching and noise suppression modes I2S output channel mapping function Independent channel volume and DSP bypass Channel mapping of any input to any processing/DDX® channel DC blocking selectable high-pass filter Selectable per-channel DDX® damped ternary or binary PWM output Max power correction for lower full-power THD Variable per channel DDX® output delay control 192 kHz internal processing sample rate, 24-bit to 36-bit precision Description The STA309A is a single chip solution for digital audio processing and control in multi-channel applications. It provides output capabilities for DDX®. In conjunction with a DDX® power device, the STA309A provides high-quality, high-efficiency, all digital amplification. The device is extremely versatile, allowing inputs of most digital formats including 6.1/7.1-channel and 192 kHz, 24-bit DVD-audio, DSD/SACD. In 5.1 applications the additional 2 channels can be used for audio line-out or headphone drive. In speaker mode, with 8 channel outputs in parallel, the STA309A can deliver more than 1 W. Table 1. Device summary Order code Package STA309A TQFP64 STA309A13TR TQFP64 TQFP64 www.st.com |
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