STA333BW Datasheet, PDF (1/64 Pages) STMicroelectronics – 2.1-channel high-efficiency digital audio system

STA333BW
2.1-channel high-efficiency digital audio system
Preliminary Data
Features
! Wide supply voltage range (4.5 to 20 V)
! 3 power output configurations
– 2 channels of ternary PWM (stereo mode)
(2 x 20 W @ 8 Ω, 18 V).
– 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 Ω, 1 x 8 Ω, 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^TM
– 15 preset crossover filters
– 2 preset anti-clipping modes
– 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
! 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
! 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.
Table 1. Device summary
Order codes
STA333BW
STA333BW13TR
Package
PowerSSO36 slug down
PowerSSO36 slug down
Packing
Tube
Tape and reel
July 2007
Rev 2
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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