STA321 datasheet(1/157 Pages) STMICROELECTRONICS

Il numero della parte	STA321

Spiegazioni elettronici	4-channel digital audio system with FFX??driver

PDF	157 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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1 / 157 page

October 2009

Doc ID 15351 Rev 3

1/157

1

STA321

4-channel digital audio system with FFX™ driver

Features

High efficiency FFX™ class-D modulator

100-dB dynamic range

Two stereo channels with I2S input/output data

interface

16-bit stereo ADC input with PGA and

microphone biasing

Analog and digital muxing/mixing capability

4-channel input sample rate converter

(8 kHz to 192 kHz)

Four channels of 24-bit audio processing

Flexible channel mapping and routing

Output configurations:

–2.0

–2.1

–4.0

–Mono

Embedded CMOS bridge: up to 0.5 W/channel

pfStart™ for pop-free single-ended operations

Play and record simultaneous operation

Pre and post mix stages

Individual channel and master gain/attenuation

Digital gain/attenuation -105 dB to +36 dB in

0.5-dB steps

Soft volume update and muting

DC-blocking selectable high-pass filter

Selectable de-emphasis filter

Up to 13 28-bit user programmable biquads

(EQ) per channel

Bass/treble tone control

Ternary, binary or phase shift modulation

PWM output

Headphone output with jack detector

I2C control.

LQFP-64 package

with exposed pad down (EPD)

Table 1.

Device summary

Order code

Temperature range

Package

Packaging

STA321

0 to 70 °C

LQFP-64 EPD

Tray

STA321TR

0 to 70 °C

LQFP-64 EPD

Tape and reel

www.st.com

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