STA304集成电路（IC）的音频专用规格书PDF中文资料

STA304属于集成电路（IC）的音频专用。由意法半导体集团制造生产的STA304音频专用音频专用的半导体器件专为音频信号的滤波、驱动、放大、转换和接口而设计。特征包括功能、应用、通道数、接口、电压和规格。应用包括音频系统、汽车音频、消费类音频、乐器、专业音频、通信系统、电信系统、数字音频、驱动器、前置放大器、信号混合、信号处理、语音触发器解决方案和 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.