STA323W View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

STA323W

2.1-channel high-efficiency digital audio system

STMicroelectronics 

STA323W

2.1-channel high-efficiency digital audio system

Features

! Wide supply voltage range (10 V - 36 V)

! Three power output configurations

– 2 x 10 W + 1 x 20 W

– 2 x 20 W

– 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

! 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™ settings for:

– 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

(slug down)

! 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

Table 1. Device summary

Order code

Package

STA323W

PowerSO-36 (slug down)

STA323W13TR

PowerSO-36 in tape & reel

May 2008

Rev 6

1/77

www.st.com

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