STA328_08 Datasheet, PDF (1/57 Pages) STMicroelectronics – 2.1-channel high-efficiency digital audio system

STA328
2.1-channel high-efficiency digital audio system
Features
! Wide supply voltage range (10 V - 36 V)
! Three power output configurations
– 2 x 40 W + 1 x 80 W
– 2 x 80 W
– 1 x 160 W
! PowerSO-36 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
! Four 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/hard mute
! Individual channel volume and EQ bypass
! 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 night-time listening mode
– Preset TV AGC
PowerSO-36
with slug up
! Input and output channel mapping
! AM noise-reduction and PWM
frequency-shifting modes
! Software 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
! Four output routing configurations
! Selectable clock input ratio
! 96 kHz internal processing sample rate, 24 to
28-bit precision
! Video application supports 576 * fs input mode.
Table 1. Device summary
Order code
STA328
STA32813TR
Package
PowerSO-36
PowerSO-36
Packaging
Tube
Tape and reel
May 2008
Rev 4
1/57
www.st.com
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