STA328 datasheet(1/57 Pages) STMICROELECTRONICS

Part #	STA328

Description	2.1-channel high-efficiency digital audio system

PDF	57 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 57 page

May 2008

Rev 4

1/57

1

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

! 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.

PowerSO-36

with slug up

Table 1.

Device summary

Order code

Package

Packaging

STA328

PowerSO-36

Tube

STA32813TR

PowerSO-36

Tape and reel

www.st.com

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