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STA328_08 Datasheet

  • STA328_08

  • 2.1-channel high-efficiency digital audio system

  • 57頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STA328
2.1-channel high-efficiency digital audio system
Features
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Wide supply voltage range (10 V - 36 V)
Three power output configurations
鈥?2 x 40 W + 1 x 80 W
鈥?2 x 80 W
鈥?1 x 160 W
PowerSO-36 package
2.1 channels of 24-bit DDX
廬
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
I
2
C control
2-channel I
2
S 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
鈥?32 preset EQ curves
鈥?15 preset crossover settings
鈥?Auto volume controlled loudness
鈥?3 preset volume curves
鈥?2 preset anti-clipping modes
鈥?Preset night-time listening mode
鈥?Preset TV AGC
Device summary
Order code
Package
PowerSO-36
PowerSO-36
Tube
Tape and reel
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PowerSO-36
with slug up
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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
廬
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.
Packaging
STA328
STA32813TR
May 2008
Rev 4
1/57
www.st.com
1

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