STA304集成電路（IC）的音頻專用規(guī)格書PDF中文資料

STA304屬于集成電路（IC）的音頻專用。由意法半導體集團制造生產(chǎn)的STA304音頻專用音頻專用的半導體器件專為音頻信號的濾波、驅(qū)動、放大、轉(zhuǎn)換和接口而設計。特征包括功能、應用、通道數(shù)、接口、電壓和規(guī)格。應用包括音頻系統(tǒng)、汽車音頻、消費類音頻、樂器、專業(yè)音頻、通信系統(tǒng)、電信系統(tǒng)、數(shù)字音頻、驅(qū)動器、前置放大器、信號混合、信號處理、語音觸發(fā)器解決方案和 10 Base-T。

DESCRIPTION

The STA304 Digital Audio Processor is a single chip device implementing end to end digital solution for audio application. In conjunction with STA500 power bridge it gives the full digital DSP-to-power high quality chain with no need for audio Digital-to-Analog converters between DSP and power stage.

■ END TO END DIGITAL AUDIO INTEGRATED

SOLUTION

■ · DSP Functions:

- DIGITAL VOLUME CONTROL

- SOFT MUTE

- BASS and TREBLE

- PARAMETRIC EQ PER CHANNEL

- BASS MANAGEMENT FOR SUBWOOFER

- AUTO MUTE ON ZERO INPUT DETECTION

■ 4+1 DIRECT DIGITAL AMPLIFICATION

(DDX?) OUTPUT CHANNELs

■ 6 CHANNELs PROGRAMMABLE SERIAL

OUTPUT INTERFACE (by default I2S)

■ 4 CHANNELs PROGRAMMABLE SERIAL

INPUT INTERFACE (by default I2S)

■ STEREO S/PDIF INPUT INTERFACE

■ Intel AC97 LINK (rev. 2.1) INPUT INTERFACE

FOR AUDIO AND CONTROL

■ ON CHIP AUTOMATIC INPUT SAMPLING

FREQUENCY DETECTION

■ 100 dB SNR SAMPLE RATE CONVERTER

(1KHz SINUSOIDAL INPUT)

■ I2C CONTROL BUS

■ LOW POWER 3.3V CMOS TECHNOLOGY

■ EMBEDDED PLL FOR INTERNAL CLOCK

GENERATION (1024x48 kHz = 49.152 MHz)

■ 24.576 MHz EXTERNAL INPUT CLOCK OR

BUILT-IN INDUSTRY STANDARD XTAL

OSCILLATOR.