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STA320 Datasheet(PDF) 1 Page - STMicroelectronics |
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STA320 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 37 page  1/37 STA320 November 2005 This is preliminary information on a new product now in development. Details are subject to change without notice. 1 FEATURES ■ 2.1 Channels of 24-bit DDX TM ■ >100dB SNR and Dynamic Range ■ Selectable 32kHz-192kHz Input Sample Rates ■ I 2C control with Selectable Device Address ■ Digital Gain/Attenuation +48dB to -90dB in 0.5dB steps ■ Soft Volume Update ■ Individual Channel and Master Gain/ Attenuation ■ Dual Independent Limiters/Compressors ■ Dynamic Range Compression or Anti-Clipping Modes ■ AutoModes TM: – 7 Preset Crossover filters – 32 Preset EQ Settings – Auto Volume Controlled Loudness – 3 Preset Volume Curves – 2 Preset Anti-Clipping Modes – Preset Nighttime Listening Mode – Preset TV AGC ■ Individual Channel and Master Soft and Hard Mute ■ Independent Channel Volume and DSP Bypass ■ Automatic Zero-Detect Mute ■ Automatic Invalid Input Detect Mute ■ 2-Channel I 2S Input Data Interface ■ Input and Output Channel Mapping ■ 4 28-bit User Programmable Biquads (EQ) per channel ■ Bass/Treble Tone Control ■ DC Blocking Selectable High-Pass Filter ■ Selectable De-emphasis ■ Post-EQ User Programmable mix ■ User Programmable 2.1 Bass Management ■ Sub Channel Mix into Left and Right Channels ■ Advanced AM Interference Frequency Switching and Noise Suppression Modes ■ Selectable High or Low Bandwidth Noise Shaping Topologies ■ Variable Max Power Correction for lower full- power THD ■ 3 or 4 Output Routing Configurations ■ Selectable Clock Input Ratio ■ 96kHz Internal Processing Sample Rate, 24 to 28-bit precision 2 DESCRIPTION The STA320 is a single chip solution for digital audio processing and control in 2.1-channel applications. It provides output capabilities for DDXTM (Direct Digital Amplification). In conjunction with a DDXTM power device, it provides high-quality, high-efficiency, all digital amplification. 2.1 MULTICHANNELS DIGITAL AUDIO PROCESSOR WITH DDX™ REV. 1 Figure 1. Package Table 1. Order Code Part Number Package STA320 SO28 SO28 |
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