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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 / 71 page  This is information on a product in full production. April 2022 DocID13855 Rev 6 1/71 STA309A Multi-channel digital audio processor with DDX® Datasheet - production data 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 STA309A13TR TQFP64 www.st.com |
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