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STAC9250D3TAEYY 데이터시트(PDF) 9 Page - Integrated Device Technology

부품명 STAC9250D3TAEYY
상세설명  TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
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제조업체  IDT [Integrated Device Technology]
홈페이지  http://www.idt.com
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STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
IDT™
9
STAC9250/9251
V 1.1 102706
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
1. DESCRIPTION
1.1.
Overview
The STAC9250/9251 are high fidelity, 2-channel audio CODECs compliant with the High Definition
Audio (HD Audio) specification defined by Intel. The STAC9250/9251 enables a two-chip audio and
modem implementation by integrating the “System Side” functionality of Silicon Labs’ modem solu-
tion. The STAC9250/9251 provides a direct interface to Silicon Labs’ “Line Side” integrated circuit.
This integration results in cost savings without sacrificing audio fidelity or modem functionality. The
STAC9251 also implements a direct interface to two digital microphones supporting advanced beam
forming applications resulting in increased quality of voice applications.
1.2.
Features
High-integration HD Audio Product
• 2-channel PC Audio CODEC
• Modem “System-side” functionality1
• Dual Digital Microphone interface (STAC9251)
Two-Channel DACs and ADCs with 24-bit sample resolution
• High performance
Σ∆ technology
• Sample rates up to 192 KHz
• 100dB DAC SNR
Integrated modem functionality from Silicon Labs1 supports reduced BOM costs
• Interfaces directly to Line Side integrated circuit from Silicon Labs
• Supports two-chip audio plus modem functionality
• Supports software modem implementations from Motorola and others compatible with the Sili-
con Labs chipset
• Supports motherboard implementations eliminating MDC card and connector costs
• Reduced board space
• Reduced external component count
Integrated Headphone Amps
Stereo Analog Microphone
• Supports Stereo Microphone
• Microphone Boost 0, 10, 20, 30, 40dB
Dual Digital Microphone Interface optimized for use with Akustica Digital Microphones.
(STAC9251 only)
S/PDIF In and Out
Universal Jacks™ Functionality for jack retasking
Adjustable VREF Out
Digital PC Beep to all outputs
48-pin LQFP Environmental Package
1. Modem functionality can only be used with a “Line Side” DAA integrated circuit, Si3080 or similar, available from Silicon Labs
(www.silabs.com).


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