STA559BWQS Datasheet, PDF (1/66 Pages) STMicroelectronics – 5-V, 2-A, 2.1-channel high-efficiency digital audio system with QSound QHD

STA559BWQS
5-V, 2-A, 2.1-channel high-efficiency digital audio system
with QSound QHD^®
Features
! Wide supply voltage range (4.5 - 9 V)
! 3 Power output configurations:
– 2 channels of ternary PWM (stereo mode)
(2 x 3 W) into 4 Ω at 5 V
– 3 channels - left,right using binary and LFE
using ternary PWM (2.1 mode)
(2 x 0.7 W + 1 x 3 W) into 4 Ω at 5 V
(2 x 1.4 W + 1 x 6 W) into 2 Ω at 5 V
– 2 channels of ternary PWM
(2 x 3 W) + PWM driver for SW
! 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
– 2 preset anti-clipping modes
– Preset night-time listening mode
! Individual channel and master soft and hard
mute
! Independent channel volume and DSP bypass
PowerSSO-36
slug down
! Automatic zero-detect mute
! Automatic invalid input detect mute
! 2-channel I²S input data interface
! Input and output channel mapping
! 4 28-bit user programmable biquads (EQ) per
channel
! 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^®
– Field proven stereo soundfield
enhancement technology
– Provides improved audio image width,
seperation and depth for stereo signals
– Synthesizes a 3-D stereo soundfield
! PowerSSO-36 slug down package
Table 1. Order codes
Part number
STA559BWQS
STA559BWQS13TR
Temp range, °C
0 to 150
0 to 150
Package
PowerSSO-36 slug down
PowerSSO-36 slug down
Packing
Tube
Tape&Reel
March 2008
Rev 1
1/66
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