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.

FEATURES

■ 2.1 Channels of 24-bit DDXTM

■ >100dB SNR and Dynamic Range

■ Selectable 32kHz-192kHz Input Sample Rates

■ I2C 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

■ AutoModesTM:

– 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 I2S 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 fullpower THD

■ 3 or 4 Output Routing Configurations

■ Selectable Clock Input Ratio

■ 96kHz Internal Processing Sample Rate, 24 to 28-bit precision

STA320屬于集成電路（IC） > 音頻專用。意法半導(dǎo)體（ST）集團(tuán)制造生產(chǎn)的STA320音頻專用音頻專用的半導(dǎo)體器件專為音頻信號(hào)的濾波、驅(qū)動(dòng)、放大、轉(zhuǎn)換和接口而設(shè)計(jì)。特征包括功能、應(yīng)用、通道數(shù)、接口、電壓和規(guī)格。應(yīng)用包括音頻系統(tǒng)、汽車音頻、消費(fèi)類音頻、樂器、專業(yè)音頻、通信系統(tǒng)、電信系統(tǒng)、數(shù)字音頻、驅(qū)動(dòng)器、前置放大器、信號(hào)混合、信號(hào)處理、語(yǔ)音觸發(fā)器解決方案和 10 Base-T。