Datasheet > STAC9723T

STAC9723T

更新时间： 2024-10-27 06:14:31

品牌	Logo	应用领域
其他 - ETC		解码器编解码器电信集成电路 PC
页数	文件大小	规格书
48页	395K
描述
Stereo AC 97 Codec With Multi-Codec Option

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中文翻译

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STAC9723T 数据手册

DATA SHEET

SigmaTel, Inc.

Integrating Mixed-Signal Solutions

STAC9721/23

Stereo AC'97 Codec

With Multi-Codec Option

GENERAL DESCRIPTION:

SigmaTel’s STAC9721/23 is a general-purpose 18-bit stereo, full duplex, audio codec that conforms to

the analog component specification of AC'97 (Audio Codec 97 Component Specification Rev. 2.1). The

STAC9721/23 incorporates SigmaTel’s proprietary Sigma-Delta technology to achieve a DAC SNR in

excess of 95dB. The DACs, ADCs, and mixer are integrated with analog I/Os, which include four analog

line-level stereo inputs, two analog line-level mono inputs, two stereo outputs, and one mono output

channel. Also included are SigmaTel’s 3D stereo enhancement (SS3D), and an extra true line-level out

for headphones or speaker amplifiers. The STAC9721/23 may be used as a secondary codec, with the

STAC9700/04/07/44/45 or a 4-channel STAC9708 as the primary, in multiple codec configurations

conforming to the AC'97 Rev. 2.1 specification. This configuration can provide up to six-channel output,

providing AC-3 playback for DVD applications. The STAC9721/23 communicates via the five-wire AC-

Link interface with any AC-Link capable controller or advanced core logic chip-set. Packaged in an

AC'97 compliant 48-pin TQFP, the STAC9721/23 can be placed on motherboards, daughter boards, add-

on cards or AMR/MDC cards.

FEATURES:

•

Σ∆

•

EAPD – External Amplifier Power Down Control

Multi-Codec option (Intel AC'97 rev 2.1)

Six analog line-level inputs

High performance

technology

Energy saving power down modes

18-bit full duplex stereo ADC, DACs

AC-Link protocol compliance

48-pin TQFP

3.3V Multiple power supply options

Pin compatible with the STAC9700/44/45

SigmaTel Surround (SS3D) Stereo Enhancement

LINE-to-LINE SNR 102dB

The STAC9723 is tested at +3.3V

ORDERING INFORMATION:

PART

PACKAGE

TEMPERATURE

RANGE

SUPPLY RANGE

NUMBER

STAC9721T

48-pin TQFP 7mm x7mm x 1.4mm

48-pin TQFP 7mmx7mm x 1.4mm

DVdd = 3.3V or 5V, AVdd = 5V

DVdd = 3.3V, AVdd = 3.3V

C to +70

STAC9723T

C to +70

SigmaTel reserves the right to change specifications without notice

04/07/00

12 3 4 5 6 7...48

中文翻译

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与STAC9723T相关器件

型号	品牌	获取价格	描述	数据表
STAC9750	IDT	获取价格	VALUE-LINE TWO-CHANNEL AC’97 CODECS
STAC9750(5V)	ETC	获取价格	STAC9750 (5V) and STAC9751 (3.3V) : Value-Lin
STAC9750XXTAEYYX	IDT	获取价格	VALUE-LINE TWO-CHANNEL AC’97 CODECS
STAC9751(3.3V)	ETC	获取价格	STAC9750 (5V) and STAC9751 (3.3V) : Value-Lin
STAC9751XXTAEYYX	IDT	获取价格	VALUE-LINE TWO-CHANNEL AC’97 CODECS
STAC9752	IDT	获取价格	TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HE
STAC9752(5V)	ETC	获取价格	STAC9752 (5V) and STAC9753 (3.3V) : Two-Chann
STAC9752A	IDT	获取价格	AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNI
STAC9752ATG	IDT	获取价格	PCM Codec, 1-Func, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, LEAD FREE, LQFP-48
STAC9752AXNAEYYX	IDT	获取价格	AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNI

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