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STA328 Datasheet(PDF) 1 Page - STMicroelectronics |
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STA328 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 41 page  1/41 STA328 May 2006 1 FEATURES ■ Wide supply voltage range (10-36V) ■ 3 Power Output Configurations – 2x40W + 1x80W – 2x80W – 1x160W ■ Power SO-36 Package ■ 2.1 Channels of 24-Bit DDX® ■ 100dB SNR and Dynamic Range ■ 32kHz to 192kHz Input Sample Rates ■ Digital Gain/Attenuation +48dB to -80dB in 0.5dB steps ■ 428-bit User Programmable Biquads (EQ) per Channel ■ I 2C Control ■ 2-Channel I 2S Input Data Interface ■ Individual Channel and Master Gain/ Attenuation ■ Individual Channel and Master Soft and Hard Mute ■ Individual Channel Volume and EQ Bypass ■ Bass/Treble Tone Control ■ Dual Independent Programmable Limiters/ Compressors ■ Automodes™ – 32 Preset EQ Curves – 15 Preset Crossover Settings – Auto Volume Controlled Loudness – 3 Preset Volume Curves – 2 Preset Anti-Clipping Modes – Preset Nighttime Listening Mode – Preset TV AGC ■ Input and Output Channel Mapping ■ AM Noise Reduction and PWM Frequency Shifting Modes ■ Soft Volume Update and Muting ■ Auto Zero Detect and Invalid Input Detect Muting Selectable DDX® Ternary or Binary PWM output + Variable PWM Speeds ■ Selectable De-emphasis ■ Post-EQ User Programmable Mix with default 2.1 Bass Management settings ■ Variable Max Power Correction for lower full- power THD ■ 4 Output Routing Configurations ■ Selectable Clock Input Ratio ■ 96kHz Internal Processing Sample Rate, 24 to 28-bit precision ■ QXpander ■ Video Application: 576 fs input mode suporting 2 DESCRIPTION The STA328 is an integrated solution of digital au- dio processing, digital amplifier control, and DDX- Power Output Stage, thereby creating a high-pow- er single-chip DDX® solution comprising of high- quality, high-efficiency, all digital amplification. The STA328 power section consists of four inde- pendent half-bridges. These can be configured via digital control to operate in different modes. 2.1 channels can be provided by two half-bridges and a single full-bridge, providing up to 2x40W + 1x80W of power output. 2 Channels can be provid- ed by two full-bridges, providing up to 2x80W of power. The IC can also be configured as a single paralelled full-bridge capable of high-current oper- ation and 1x160W output. Also provided in the STA328 are a full assortment of digital processing features. This includes up to 4 programmable 28-bit biquads (EQ) per channel, 2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM Rev. 3 Figure 1. Package Table 1. Order Codes Part Number Package STA328 PowerSO36 (Slug Up) STA32813TR Tape & Reel PowerSO36 SLUG UP |
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