STA335BWSQS datasheet(1/70 Pages) STMICROELECTRONICS

部件名	STA335BWSQS

功能描述	2.1-channel, high-efficiency digital audio system with QSound QHD®

PDF	70 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 70 page

March 2009

Rev 1

1/70

1

STA335BWSQS

2.1-channel, high-efficiency digital audio system

with QSound QHD®

Features

! Wide supply voltage range

– 4.5 V to 21.5 V operation

– 23-V absolute maximum rating

! 3 power output configurations

– 2 channels of ternary PWM (stereo mode)

(2 x 20 W into 8

Ω at 18 V)

– 3 channels - left, right using binary and LFE

using ternary PWM (2.1 mode) (2 x 9 W +

1x20 W into 2x4

Ω, 1 x 8 Ω at 18 V)

– 2 channels of ternary PWM (2 x 20 W) +

stereo line out ternary

! 2.1 channels of 24-bit DDX®

! 100-dB SNR and dynamic range

! Selectable 32 kHz to 192 kHz input sample

rates

! I2C control with selectable device address

! Digital gain/attenuation +48 dB to -80 dB in

0.5-dB steps

! Soft volume update

! Individual channel and master gain/attenuation

! Dual independent limiters/compressors

! Dynamic range compression or anti-clipping

modes

! AutoModes

– 15 preset crossover filters

– 5 preset anti-clipping modes

– Preset night-time listening mode

! 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 x 28-bit user programmable biquads (EQ) per

channel

! Up to 3 different EQ coefficients settings can

be stored and selected using I2C interface

! DC blocking selectable high-pass filter

! Selectable de-emphasis

! 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

! Thermal overload and short-circuit protection

! Video application supports 576 * fS input mode

! QSound QHD®

– Field proven stereo soundfield

enhancement technology

– Provides improved audio image width,

separation and depth for stereo signals

– Synthesizes a 3-D stereo soundfield

! PowerSSO-36 slug down package.

PowerSSO-36

slug down

Table 1.

Device summary

Order code

Package

Packaging

STA335BWSQS

PowerSSO-36 slug down

Tube

STA335BWSQS13TR

PowerSSO-36 slug down

Tape and reel

www.st.com

This datasheet has been downloaded from http://www.digchip.com at this page

类似零件编号 - STA335BWSQS

制造商	部件名	数据表	功能描述
STMicroelectronics	STA335BWS	1Mb / 68P	2.1-channel high-efficiency digital audio system 18-Jan-2008
STMicroelectronics	STA335BWS13TR	1Mb / 68P	2.1-channel high-efficiency digital audio system 18-Jan-2008

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类似说明 - STA335BWSQS

制造商	部件名	数据表	功能描述
STMicroelectronics	STA333BW	1Mb / 64P	2.1-channel high-efficiency digital audio system 26-Jul-2007
	STA328	782Kb / 57P	2.1-channel high-efficiency digital audio system 13-May-2008
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	STA323W	1Mb / 77P	2.1-channel high-efficiency digital audio system 22-May-2008
	STA333BWQS	1Mb / 71P	2.1-channel high-efficiency digital audio system with QSound QHD 27-Mar-2008
	STA335BWQS	1Mb / 72P	2.1-channel high-efficiency digital audio system with QSound QHD 15-May-2008
	STA335BWS	1Mb / 68P	2.1-channel high-efficiency digital audio system 18-Jan-2008
	STA559BWQS	808Kb / 66P	5-V, 2-A, 2.1-channel high-efficiency digital audio system with QSound QHD 28-Mar-2008
	STA339BW	2Mb / 77P	2.1-channel high-efficiency digital audio system 04-Aug-2010
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