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STA333BWQS Datasheet

  • STA333BWQS

  • 2.1-channel high-efficiency digital audio system with QSound...

  • 71頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STA333BWQS
2.1-channel high-efficiency digital audio system
with QSound QHD
廬
Features
!
!
Wide supply voltage range (4.5 to 20 V)
3 power output configurations
鈥?2 channels of ternary PWM (stereo mode)
(2 x 20 W @ 8
鈩?
18 V).
鈥?3 channels - left, right using binary and LFE
using ternary PWM (2.1 mode) (2 x 9 W +
1 x 20 W @ 2 x 4
鈩?
1 x 8
鈩?
18 V)
鈥?2 channels of ternary PWM (2 x 20 W) +
stereo line out ternary
2.1 channels of 24-bit DDX
廬
100-dB SNR and dynamic range
Selectable 32 kHz to 192 kHz input sample
rates
I
2
C
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
鈥?15 preset crossover filters
鈥?2 preset anti-clipping modes
鈥?Preset night-time listening mode
Individual channel and master soft and hard
mute
Independent channel volume and DSP bypass
Automatic zero-detect mute
!
PowerSSO-36
slug down
!
!
!
!
!
!
!
!
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Automatic invalid input detect mute
2-channel I
2
S input data interface
Input and output channel mapping
4 x 28-bit user programmable biquads (EQ) per
channel
Bass/treble tone control
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 x fs input mode
QSound QHD
廬
鈥?Field proven stereo soundfield
enhancement technology
鈥?Provides improved audio image width,
seperation and depth for stereo signals
鈥?Synthesizes a 3-D stereo soundfield
PowerSSO-36 slug down package
!
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Table 1.
Device summary
Order codes
STA333BWQS
STA333BWQS13TR
Package
PowerSSO-36 slug down
PowerSSO-36 slug down
Packaging
Tube
Tape and reel
March 2008
Rev 1
1/71
www.st.com
1

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