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STA323W_08 Datasheet

  • STA323W_08

  • 2.1-channel high-efficiency digital audio system

  • 77頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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STA323W
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 10 W + 1 x 20 W
鈥?2 x 20 W
鈥?1 x 40 W
Thermal protection
Under-voltage protection
Short-circuit protection
PowerSO-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
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 and hard
mute
Individual channel volume and EQ bypass
DDX
POP free operation
Bass/treble tone control
Dual independent programmable
limiters/compressors
AutoModes鈩?settings for:
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
Table 1.
Device summary
Order code
STA323W
STA323W13TR
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PowerSO-36
(slug down)
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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 plus 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
Package
PowerSO-36 (slug down)
PowerSO-36 in tape & reel
May 2008
Rev 6
1/77
www.st.com
1

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