Datasheet > STA333IS

STA333IS

更新时间： 2023-12-20 18:44:37

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
43页	1505K
描述
声音终端2通道高效数字音频系统

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STA333IS 数据手册

STA333IS

Sound Terminal^®

2-channel high-efficiency digital audio system

Datasheet - production data

Applications

 LCDs

CSP 5x6 array

 DVDs

 Cradles

 Digital speakers

 Wireless-speaker cradles

Features

Description

 Wide-range supply voltage (4.5 V - 20 V)

 2 channels of ternary PWM (stereo mode)

The STA333IS is an integrated circuit comprising

digital audio processing, digital amplifier control

™

 2 channels of 24-bit FFX

™

and an FFX power output stage to create a

 100 dB SNR and dynamic range

high-power, single-chip FFX solution for all-digital

amplification with high quality and high efficiency.

 Selectable 32- to 192-kHz input sampling rates

 Digital gain -80 dB to +48 dB in 0.5 dB steps

 Software volume update

The STA333IS power section consists of four

independent half-bridge stages. Two channels

can be provided by two full bridges, delivering up

to 10 W + 10 W of power.

 Individual channel and master gain/attenuation

 Individual channel and master software and

Also featured in the STA333IS are new advanced

modes for reducing AM radio interference. The

serial audio data input interface accepts all

hardware mute

 Independent channel volume bypass

 Automatic zero-detect mute

possible formats, including the popular I S format.

™

Two channels of FFX processing are provided.

 Automatic invalid input detect mute

The STA333IS is part of the Sound Terminal

 Short-circuit detection at startup (Out-Vcc, Out-

family that provides full digital audio streaming to

the speaker, offering cost effectiveness, low-

power dissipation and sound enrichment.

Gnd, Out 1b-Out 2a)

 2-channel I S input data interface

 2 Hz DC cut filter (input)

 Input channel mapping

Table 1. Device summary

 Automatic volume control for limiting maximum

Order code

Package

Packaging

power

STA333IS

CSP 5x6 array

Tape and reel

 96 kHz internal processing sampling rate,

24-bit precision

 Advanced modes for AM interference

frequency switching and noise suppression

 Embedded thermal-overload and short-circuit

protection

 Video application: 576 * f input mode support

March 2019

DocID022855 Rev 4

1/43

This is information on a product in full production.

www.st.com

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