STA323W_06 Datasheet, PDF (1/71 Pages) STMicroelectronics – 2.1 high efficiency digital audio system

STA323W
2.1 high efficiency digital audio system
Features
■ Wide supply voltage range (10-36 V)
■ 3 x power output configurations
– 2 x 10 W + 1x 20 W
– 2 x 20 W
– 1 x 40 W
■ Thermal protection
■ Under voltage protection
■ Short circuit protection
■ Power SO-36 Slug Down package
■ 2.1 channels of 24-bit DDX®
■ 100 dB SNR and dynamic range
■ 32 kHz to 192 kHz input sample rates
■ Digital gain/attenuation +48 dB to -80 dB in
0.5 dB steps
■ 4 x 28-bit user programmable biquads (EQ) per
channel
■ I²C control
■ 2-channel I²S input data interface
■ Individual channel and master gain/attenuation
■ Individual channel and master soft and hard
mute
■ Individual channel volume and EQ bypass
■ DDX® POP free operation
■ Bass/treble tone control
■ Dual independent programmable
limiters/compressors
■ Automodes™
– 32 preset EQ curves
– 15 preset crossover settings
– Auto volume controlled loudness
– 3 preset volume curves
– 2 preset anti-clipping modes
– Preset nighttime listening mode
– Preset TV AGC
■ Input and output channel mapping
■ AM noise reduction and PWM frequency
shifting modes
■ Soft volume update and muting
■ Auto zero detect and invalid input detect
muting selectable DDX® ternary or binary
PWM output + variable PWM speeds
■ Selectable de-emphasis
■ Post-EQ user programmable mix with default
2.1 bass management settings
■ Variable max power correction for lower full-
power THD
■ 4 output routing configurations
■ Selectable clock input ratio
■ 96 kHz internal processing sample rate, 24 to
28-bit precision
– Video application: 576 fs input mode
supporting
Order codes
Part number
Package
STA323W
STA323W13TR
PowerSO36 (Slug Down)
PowerSO36 in tape & reel
December 2006
Rev 5
1/71
www.st.com
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