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STA335BWQS View Datasheet(PDF) - STMicroelectronics

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STA335BWQS Datasheet PDF : 72 Pages
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STA335BWQS
2.1-channel high-efficiency digital audio system
with QSound QHD®
Features
„ Wide supply voltage range (4.5 V to 24 V)
„ 3 power output configurations
– 2 channels of ternary PWM (stereo mode)
(2 x 20 W into 8 at 18 V), (2 x 37 W into
8 at 24 V)
– 3 channels - left, right using binary and LFE
using ternary PWM (2.1 mode) (2 x 9 W +
1 x 20 W into 2 x 4 , 1 x 8 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™ settings for:
– 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
„ Automatic zero-detect mute
PowerSSO-36
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
„ Video application supports 576 x 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.
Table 1. Device summary
Order code
STA335BWQS
STA335BWQS13TR
Package
PowerSSO-36 slug down
PowerSSO-36 slug down
Packaging
Tube
Tape and reel
August 2010
Rev 3
1/72
www.st.com
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