STA320 Datasheet

IC型號：
STA320
PDF描述：
2.1 MULTICHANNELS DIGITAL AUDIO PROCESSOR WITH DDTM
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PDF頁數(shù)：
37頁
芯片廠家：
STMICROELECTRONICS

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STA320

2.1 MULTICHANNELS DIGITAL AUDIO

PROCESSOR WITH DDX鈩?/div>

鈻?/div>

FEATURES

2.1 Channels of 24-bit DDX

>100dB SNR and Dynamic Range

Selectable 32kHz-192kHz Input Sample Rates

C 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

鈥?7 Preset Crossover filters

鈥?32 Preset EQ Settings

鈥?Auto Volume Controlled Loudness

鈥?3 Preset Volume Curves

鈥?2 Preset Anti-Clipping Modes

鈥?Preset Nighttime Listening Mode

鈥?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

S 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

Figure 1. Package

SO28

Table 1. Order Code

Part Number

STA320

Package

SO28

鈻?/div>

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

DESCRIPTION

The STA320 is a single chip solution for digital audio

processing and control in 2.1-channel applications. It

provides output capabilities for DDX

(Direct Digital

Amplification). In conjunction with a DDX

power

device, it provides high-quality, high-efficiency, all

digital amplification.

November 2005

This is preliminary information on a new product now in development. Details are subject to change without notice.

REV. 1

1/37

型號

版本

描述

廠商

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