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STA333BW Datasheet

  • STA333BW

  • 2.1-channel high-efficiency digital audio system

  • 64頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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STA333BW
2.1-channel high-efficiency digital audio system
Preliminary Data
Features
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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
TM
鈥?15 preset crossover filters
鈥?2 preset anti-clipping modes
鈥?Preset nighttime listening mode
Individual channel and master soft and hard
mute
Independent channel volume and DSP bypass
Automatic zero-detect mute
PowerSSO36
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
Selectable clock input ratio
96 kHz internal processing sample rate, 24 to
28-bit precision
Thermal overload and short-circuit protection
embedded
Video application supports 576 x fs input mode
PSSO-36 slug down package, RoHS.
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Table 1. Device summary
Order codes
STA333BW
STA333BW13TR
Package
PowerSSO36 slug down
PowerSSO36 slug down
Packing
Tube
Tape and reel
July 2007
Rev 2
1/64
www.st.com
1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.

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