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STAC9250X5TAEYY Scheda tecnica(PDF) 1 Page - Integrated Device Technology |
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STAC9250X5TAEYY Scheda tecnica(HTML) 1 Page - Integrated Device Technology |
1 / 137 page DATA SHEET TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES STAC9250/9251 IDT™ 1 STAC9250/9251 V 1.1 102706 TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES DESCRIPTION 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 solution. The STAC9250/ 9251 provides a direct interface to Silicon Labs’ “Line Side” inte- grated circuit. This integration results in cost savings without sac- rificing audio fidelity or modem functionality. The STAC9251 also implements a direct interface to two digital microphones, support- ing advanced beam forming applications and resulting in increased quality of voice applications. 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 Silicon 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 • • 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 • Two-Channel High Definition Audio CODEC with Modem and Dual Digital Microphone Interfaces 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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