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STA323W

January 2005

This is preliminary information on a new product now in development. Details are subject to change without notice.

1

FEATURES

– 2x10W + 1x20W

–2x20W

–1x40W

0.5dB steps

Channel

Attenuation

Mute

Compressors

– 32 Preset EQ Curves

– 15 Preset Crossover Settings

– Auto Volume Controlled Loudness

– 3 Preset Volume Curves

– 2 Preset Anti-Clipping Modes

– Preset Nighttime Listening Mode

– Preset TV AGC

Shifting Modes

Muting Selectable DDX® Ternary or Binary

PWM output + Variable PWM Speeds

2.1 Bass Management settings

power THD

28-bit precision

2

DESCRIPTION

The STA323W is an integrated solution of digital

audio processing, digital amplifier control, and

DDX-Power Output Stage, thereby creating a

high-power single-chip DDX® solution comprising

of high-quality, high-efficiency, all digital amplifica-

tion.

The STA323W power section consists of four in-

dependent half-bridges. These can be configured

via digital control to operate in different modes. 2.1

channels can be provided by two half-bridges and

a single full-bridge, providing up to 2x10W +

1x20W of power output. 2 Channels can be provid-

ed by two full-bridges, providing up to 2x20W of

power. The IC can also be configured as a single

paralelled full-bridge capable of high-current oper-

ation and 1x40W output.

Also provided in the STA323W are a full assort-

TARGET SPECIFICATION

2.1 HIGH EFFICIENCY

DIGITAL AUDIO SYSTEM

REV. 1

Figure 1. Package

Table 1. Order Codes

Part Number

Package

STA323W

PowerSO36 (Slug Down)

STA323WTR

Tape & Reel

PowerSO36 SLUG DOWN